Bet Your Bottom

by RejectReality

Copyright© 2012 by RejectReality

Erotica Sex Story: Gene and Natalie are always making friendly bets, and the most recent one had sexual stakes. Taking a cue from that, Natalie tries for something she's always wanted to do with him - but she'll have to bet her own bottom for the chance.

Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa   Consensual   Heterosexual   Oral Sex   Anal Sex   .

"I can't believe you're making me do this," Natalie said as she stood on the hotel balcony at three a.m. with the wind blowing through her strawberry-blonde hair. Her eyes scanned the parking lot, and though she didn't see any signs of life, someone down in the darkness would be a lot harder to see than she would be on the balcony - dimly lit as it was.

She could see the excitement in Gene's eyes as he caressed her shoulder. "You lost the bet fair and square."

"We are so going to get arrested," she said as she tugged at the bottom of her t-shirt.

"Nobody's going to see us. Or are they?"

Even though she was arguing, the truth was that she was as wet as she'd ever been in her life. The possibility of getting caught was turning her on. Reasoning that the longer she hesitated, the better the chance that someone would happen along, she pulled off her shirt to bare her breasts.

"God, you look great," Gene said as he turned on the camera and pointed it at her.

Anxiety and arousal both surging within her, Natalie pushed down her shorts and panties before sinking to her knees in front of him. Now stark naked on a hotel balcony where anyone in the parking lot or on the beach beyond could see her, she hurried to jerk down her boyfriend's shorts. He was hard as a rock and twitching in anticipation as he recorded the whole thing.

"Do it, baby," he growled under his breath.

She gave his erection a few licks to wet it, but under the circumstances, she wasn't about to waste long teasing. He groaned as she parted her lips and took him in.

Natalie let out a moan when a drop of pre-cum lit up her taste buds as she pulled back to the tip the first time. She was tingling all over.

"Let me see your eyes."

She looked up at him - and thus directly into the camera - and teased the head of his cock with her lips and tongue.

"Oh yeah. Now suck it."

Cupping his balls in her right hand, she took him deep and moaned again when his hand settled on the back of her head. Turned on beyond belief, she sucked him hard and fast, her hair bouncing and tits jiggling from her efforts.

Gene grunted, "You like it, don't you?"

"Mmm hmm," she moaned in answer without pausing.

"Fuck, you're so good. So fucking hot."

Some girls saw a blowjob as a necessary evil. Natalie wasn't one of them. She loved the feeling of him throbbing against her tongue, his fingers fisting in her hair, and his hips bucking beyond his control. It was both submission and control fantasies coming to life at once. On the one hand, she was naked on her knees, fulfilling her obligation to a lost bet. On the other, she knew full well that as long as his cock was in her mouth, she owned him.

Fingers between her legs, teasing her own need, she sucked for her reward, and the satisfaction of their bet. His grunts growing louder and hips trying to push his cock into her throat let her know he was close in a surprisingly short time. Feeling incredibly sexy, she let one finger creep along the bottom of his balls, and then beyond, wondering if he'd let her do it this time.

As she more or less expected, he pushed her hand away and grunted out a quick, "Nuh uh."

She knew that if she kept pushing, he would let her, but she didn't want to make him uncomfortable. Besides, he was on the brink.

"Now," he growled.

Natalie let his cock slide from between her lips and took it in hand. Opening her mouth wide and sticking out her tongue, she stroked his slick member.

It didn't take much.

A grunt that was too loud for where they were escaped him as he erupted. The first spurt missed her mouth completely, leaving a sticky trail on her cheek and neck. The second went straight into the back of her throat, making her croak, but she kept her mouth open and her hand moving. He filled her mouth and spotted her face with his hot cream before the squirts turned to dribbles. She shook the oozes of cum from the head of his cock onto her tits, and then dived back in without warning.

"Shit," he spit out from between clenched teeth as she took him deep in her still cum-filled mouth. A little dribbled out the corners of her mouth to drip onto her breasts as she pulled back. He immediately jerked away when she reached the head, and bumped into the privacy wall behind him.

Natalie swallowed and licked her lips as Gene lifted the camera in a trembling hand to film her cum-covered body. For a few seconds, she didn't care where they were, or who might be watching. She smoothed his cream into her skin, smiling at the camera and shaking her tits.

The sight of headlights in her peripheral vision got them both moving quickly enough.

Back inside, with his pants still entangling his legs, Gene collapsed on the bed. Natalie tossed her own clothes to the floor as she closed the curtains. She turned back to him and said, "Oh no, you're not leaving me like this."

He didn't really protest when she straddled his face.

Pulling up into the parking lot of their apartment the next morning, Gene tapped on the dash and said, "Don't forget to put gas in before you go to work tomorrow."

Natalie rolled her eyes and let out an exasperated sigh. "I'm not going to forget and run out of gas."

The amused look on his face was enough, but he still said, "Oh, really? Seems I've heard that before."

She stuck her tongue out at him and climbed out of the car. He followed, and anticipated her playfully shutting the door in his face, ruining that little protest with a foot in the doorjamb.

They'd both awakened horny, but with not enough time to do anything about it before check-out. Natalie was thinking about remedying that when Gene asked her. "Want to watch the video?"

"God, I don't know," she answered with laughter in her voice.

"Come on. You looked fucking hot."


He hooked up the camera to the television, and then sat down on the couch next to her with the remote in hand. She didn't even wait for him to hit play before reaching between his legs.

She had to admit that she looked incredibly sexy swallowing his cock on camera, and even more so with his cum spraying all over her. Of course, that last part of the video was a little shaky.

Having already wormed her hand beneath his shorts while she watched, she said, "You should let me ... You know."

He winced a little. "It just doesn't do anything for me."

"That's because you haven't tried it. Trust me."

"Oh? And how many times have I asked you?" He reached down and squeezed her butt, leaving little doubt that he was talking about asking her for anal.

"That's different. I told you that I had a bad experience."

"Because the guy had a donkey dong and was drunk off his ass."

"I know you wouldn't be like that, but it still makes my stomach do flip-flops when I think about it."

"Same here. Besides, sticking your finger there is just - eww."

She lifted her eyebrows and gave his cock a squeeze. "And sticking this there isn't?"


The most delicious thought popped into her head at that moment, but there was too much tension in the air to spring it on him just then.

She knew exactly how to take care of that.

Gene forgot all about the preceding conversation as she climbed on his lap and pulled off her shirt.

Face down on the sheets with her butt high in the air, Natalie shivered from the final ripple of orgasm passing through her. She could feel his cum dripping from her onto the sheets and running down her legs, but she didn't care.

Gene lay groaning next to her, his cock still half-hard and his eyes closed. It had been one of those rare, magical occasions where he'd held out forever. She had been into her third or fourth onslaught of multiple orgasms before he buried his cock inside her and filled her full of cum.

A whimper escaped her as she moved, letting her knees slide until her butt sank down and she could roll over. She snuggled up next to him, and relaxed in the afterglow for a few minutes.

Once they had both caught their breath and shared a few kisses, she decided the time was right. This was a trick she'd used more than once, and it never failed to work. He was as tractable as a kitten held by the scruff when she'd milked every drop of cum from him into her mouth or pussy.

"Bet you I can go a month without once running out of gas. And, without you reminding me all the time."

He chuckled. "I'd like to see that. Real bet?"

"Mmm hmm."

That pulled him out of his post-orgasmic coma a little. "Got to be two months, then."

"Okay, two then."

"That was awful easy," he suspiciously said.

"If you win, I'll let you fuck my ass."



"What if you win?"

"What do you think is an even wager?"

His eyes widened and he said, "Oh no." The previous conversation left little doubt in his mind what her wager was.

She knew that he wanted anal something fierce. He hinted at it all the time. There was a way to sweeten the deal and push him over the edge, though. "What? Are you chicken? Afraid I'll prove you wrong?"

"Hardly," he said and then chuckled.

"Then what's the problem? You can't lose, right?"

"You have to take the gas can out of your trunk, too."

"Done. It's a bet, then?"

"Yeah, it's a bet." He gave her an evil grin and added, "Just put the gas can in my trunk. I'll be needing it soon enough."

"We'll just see about that, won't we?"

Six weeks into the bet, Natalie breathed a sigh of relief as she shut off the sputtering car in front of the gas pump. It was the second such close call, with the first causing her to be late for work because she had to stop on the way in.

No matter, she'd made it. If it hadn't been for her boss sending her on the lunch run two days in a row, she wouldn't have even needed to worry about it. Confident that she was going to win the bet, she filled up the car and headed for home. She'd talked with her boyfriend about his qualms a little more - after sex of course - and found out his objection.

Her finger creeped him out because it wasn't likely to be the culmination of the evening, followed by showering, the way anal sex would. It was the thought of her touching him afterwards that made his skin crawl.

That had given her an idea, and with her victory in sight, she decided to follow up on it.

Back at home, she switched the browser over to private so it wouldn't record the history. Likewise, when she reached the website, she signed in to her old account from before she and Gene had hooked up. It took a few tries to remember the password, plus a couple of minutes to enter a new credit card number and update her other information, but then she was ready to browse.

She nearly got distracted by a large ad for a rabbit vibe on sale on the front page. She only had a smooth, cheap vibrator, and had always wanted a rabbit. As it was, she and Gene fucked like rabbits, so her vibrator sat in the drawer sans batteries, where it had been for months. That was enough to make her select the category of what she was really looking for.

The most popular items at the top of the first page were all butt plugs, and way more than she was looking for. The sight of one of those would send him running for his life. Even the 'beginner' ones looked more intimidating than she thought he could handle.

Finally, she found what she was looking for. It was designed as a prostate massager, and had a vibrator inside with a corded remote control. It wasn't much bigger than her finger, curved perfectly to go where it was supposed to, and had a T-handle for safety's sake.

The only problem left was how to get it without him finding out about it.

A quick phone call took care of that snag, and she set the delivery address to her friend Marsha's apartment. One final click to confirm the shopping cart, and her new toy - or rather, Gene's - was on the way.

She closed the browser window down just in time, as he walked in the front door. Already wet from thinking about using the toy on him, she decided to offer him 'desert' before dinner.

He was happy to indulge.

Natalie couldn't stop herself from glancing over at her purse, where the new toy waited for her to hide it at home. She'd taken it out of the package, put in the batteries, and given it a good wash at Marsha's, not wanting to risk taking the time at home.

Tomorrow was her victory day. She'd made it through the two months - actually surprising herself a little - and in just a couple of minutes, she would be leaving the gas station with a full tank, making sure there was no way she could possibly lose.

She didn't have a couple of minutes.

The car started to sputter and she cursed as she looked at the gas gauge. She hadn't thought about the trip to Marsha's, in the complete opposite direction from her path home.

"Come on. Come on," she pleaded, to no avail. At the last second, she pulled into a parking lot and coasted to a stop no more than three blocks from salvation.

All wasn't lost, though. Biting her bottom lip, she grabbed her purse and jumped out of the car. Praying that Gene wouldn't come by on his way home from work, she hurried to the gas station. Thankfully, they sold gas cans.

Eyes darting everywhere like a thief escaping with ill-gotten gains, she headed back to the car with a gallon of gas. The car didn't want to start, and it only fired up after her third attempt, causing her to let out a weepy sounding sigh of relief. She only truly relaxed when she stopped in front of the gas pump, though. Knowing she couldn't leave it in the trunk, she put the plastic gas can she'd just purchased down next to the pump and left it there when she drove away.

Her secret safe, she only had to live with her already nagging conscience.

Gene didn't make that any easier, because he was obviously nervous. Up until a week earlier, he'd made at least one smug remark a day about the law of averages and her track record of running out of gas. Now, he saw the consequences of his bet were coming home to roost, and it had done more than take the swagger out of him. He was truly frightened of losing the bet.

More than once that night, she almost told him the truth.


Two days after winning the bet - at least as far as her boyfriend knew - Natalie had yet to collect. She felt so guilty that she'd made him one of his favorite meals for supper each day, sat with him and watched baseball, even though it bored her to tears, and then did a sexy striptease before climbing into bed with him.

She was up to striptease number two when he said out of the blue, "Okay. You won the bet."

"Why don't we just forget about it, baby," she said as she continued to sway and peel off clothing.

"I've never welched on a bet in my life, and I'm not starting now. Let's just get it over with."

Natalie sighed, stepped out of her panties, and walked over to sit down on the bed. "That's not how I want it to be. I want you to enjoy it. I know you will."

"Don't see that happening."

"Let's just forget it, then."

"That's not happening either."

He was determined, and that made her feel worse than ever. She held up a finger and opened the drawer on her nightstand, digging out the prostate massager.

His eyes went wide and his voice quavered a bit when he asked, "What's that?"

"It's a prostate massager. I thought maybe you'd feel better about this than my finger."

"It looks like a medieval torture device," he muttered under his breath.

"Just forget about it," she said and tossed the toy back in her drawer before heading toward the bathroom to try to regain her composure.

She heard the bedsprings creaking and he caught her by the arm before she'd taken more than a step. "Wait, baby. I'm sorry."

"You don't want to, and it was a stupid bet."

"I took it, though. Look, I promise I'll try to relax."

"You don't have to."

"Okay. Forget the bet. I'll do it for you."

The way he said it made her heart soar and her eyes even go a little misty. "You'd do that?"

He tugged her back toward the bed. "Sorry I was being such a jerk. You want to, and I'll try. Okay?"

"You're sure?"


Unable to hold back the grin spreading across her face, Natalie retrieved the toy and a bottle of lube. She put them near the foot of the bed, keeping them out of sight behind an artfully constructed wrinkle in the bedclothes, and cat-crawled up to him. She did everything in her power to be as sexy and distracting as possible, and the way his boxers were rising into a tent indicated that it was working.

Crawling over his body, she let her stiff nipples glide along his chest. When she dropped down for a kiss, she swiveled her hips, grinding her pussy against him, not only so he could feel it, but to give her a measure of relief as well.

Their kisses grew more ardent, and his hands roamed over her back in an ever-stronger indication of desire. Natalie pulled away from his lips, offering a sultry smile before planting a kiss on his chest.

Gene groaned as she kissed her way down his chest, letting both her breasts and her hair caress him. When she reached the spot on his tummy where her wetness glistened on his skin, she lapped up every drop while looking up into his eyes.

"Taste good?" he asked.

"Mmm hmm," she answered, knowing how much it turned him on to see her tasting herself. While licking her lips, she slipped her fingers beneath the waistband of his boxers.

A moan escaped her when she revealed his cock, because it was rock hard and twitching up from his body. She traced a half dozen kisses down its length before pulling his boxers the rest of the way off.

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