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Fistbump (a Pinecest story)	By : Edward_or_Ford Category: +G through L > Gravity Falls Views: 13063 -:- Recommendations : 1 -:- Currently Reading : 0
Disclaimer: I do not own Gravity Falls or its characters. I will not earn any money from this story.

Chapter List
- 8
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- 10
The phone between the beds was ringing.
Dipper dragged himself out from sleep to find himself and Mabel sprawled naked on his bed. They had fallen asleep without getting under a sheet, and had stayed huddled together. Where their skin was pressed together, they were sticky with sweat and their spent juices, while Dipper’s backside was cold. He scrambled over Mabel to get to the phone, producing a muffled complaint from her as he fumbled with the handset. “Hello?” he answered blearily, his voice cracked and hoarse.
“Whoa! Dude! Did I wake you up?” came Soos’ unmistakable voice at the other end of the line.
“Yeah, Soos … Why are you …” Dipper’s eyes finally focused on the clock beside the phone. 11:50. Check out time was Noon!
“Oh, crap!” he exclaimed. “We slept in! Mabel!!” he called. Mabel heard the urgency in Dipper’s voice and forced her head up in confusion. “Where are you, Soos?” Dipper asked hurriedly.
Soos was happy as usual, but concerned about the kids getting in trouble. “Downstairs, in the lobby. Nice place you’re stayin’ in! Ya know, Dude, I can come up and help you get your stuff ready …”
“No!” Dipper shouted into the phone, in a panic as he looked at his and Mabel’s thoroughly naked, thoroughly sexed bodies. Mabel was awake now, and looked at him in confusion. He lowered his voice somewhat. “No, it’s okay, Soos, don’t come up,” he emphasized so Mabel would understand. “We’ll be down as fast as we can!” and he slammed down the phone.
“We’ve got 10 minutes, Mabel!” Dipper cried.
It was pandemonium. Mabel screeched and leapt to the bathroom to quickly try to wash herself with a wet facecloth. Dipper grabbed the soaked, soggy clothes from the bathroom and the floor and stuffed them in one of their suitcases. Into the other suitcase, they tossed everything else. They managed to find clean clothes and put them on, but as they were on the way out the door, they both thought they knew exactly what they looked like: two guilty teenagers who’d just slept together.
Thankfully, they had the elevator to themselves. They had only a few precious moments before its doors would open downstairs. “Mabel?” Dipper asked, “Are we okay?”
Mabel looked surprised. “Of course we are! Why wouldn’t we be!” as she ran her finger over his nose and lips. Her ability to be positive about her life never ceased to amaze Dipper.
“Well, we can’t let on to Soos about … you know … this!”
“I know,” she said confidently, “It’s going to be hard, but we’ll manage.”
The elevator was starting to decelerate for its stop at the ground floor. Dipper leaned forward, and they quickly kissed, breaking apart just as the doors were opening. Soos saw them and waved from across the lobby. The twins headed toward him and the desk for checkout.
“I love you,” said Mabel quietly as they walked, glancing at her brother.
Dipper smiled self-consciously. “I love you, too,” he replied equally quietly, glancing back at his sister.

The ride in Soos’ truck on the way back to Gravity Falls was awkward. For four hours, the twins had to tell a story as if they had a great time (which they did), without hinting at what they couldn’t let Soos know about. They also had to keep from touching each other or gazing at each other in ways that they hadn’t done before. They didn’t know if they succeeded in fooling Soos or not: they had found out last summer that he was far more insightful than he led on, or sometimes even realized himself. Regardless, he seemed to just be glad to have his little dudes back again.
When they arrived at the Mystery Shack late in the afternoon, Grunkle Stan was busy with a group of tourists. He made eye contact with the twins, but that was it. Thankfully, he didn’t stop to talk to them: if he had gotten a better look at them (or smelled them, for that matter) he may have been suspicious.
Mabel took a shower first and changed into clean clothes again. Dipper waited for her to finish with his own change of clothes. As Mabel was leaving the bathroom, they stopped for a quiet kiss. It was almost a disaster, as Stan had come in from outside to go to his office. They separated barely in time before he came around the corner.
After almost getting caught, both forced themselves to act normal for the remainder of the day. It was agony. All they wanted was to be able to do what young people in love do, and they knew they couldn’t.
Finally that evening after supper, they told Stan they were going to bed. Just as Mabel finished closing the door to their attic room, Dipper grabbed her. Their kiss was passionate, and full of pent-up longing.
Mabel was the first to speak. “I didn’t think it would be this hard!” she whined, holding Dipper’s face.
Dipper agreed. “I’d almost rather we not have to live together, then we wouldn’t have to see each other all the time!” Mabel looked at him with fake anger. “Almost rather, I said!” Dipper repeated with a smirk, glad Mabel had lightened the mood.
Mabel kissed him again. “Good! Because if we didn’t live together, we wouldn’t be able to do this right now!” With that, Mabel pulled off her sweater, followed immediately by her t-shirt.
Dipper looked nervously at the door, then back to his freshly half-naked lover. “Mabel, this is crazy. We’ll get caught!”
“Not if we’re quiet, we won’t!” Mabel replied, already finished untucking the bottom of Dipper’s t-shirt, then pushing it up over his head.
“Mabel, we’re not quiet! We certainly weren’t last night!” Dipper’s ability to object was already at its end, as he was sliding his hands over her breasts as he said this. Mabel hummed happily.
“Then we’ll have to figure out how to be quiet! Because you are taking me right ... now!” With that, Mabel sucked on Dipper’s tongue and fumbled with his pants, while Dipper unzipped Mabel’s skirt.

The kids did learn how to be quiet. They also learned a lot of positions. They had a lot to learn in a short amount of time, as they would be on a bus back to California the next Saturday morning.
Over the next several days (their last week of the summer), Dipper and Mabel found every excuse to find a place alone. A picnic in the woods one day. Exploring caves the next. A swim at a remote pond another day. Each time, they would arrive back much less stressed than when they left.
Then each night, the twins would couple again, basking in the wonders of young love.
- 8
- 9
- 10
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Fistbump (a Pinecest story)