"Come on, wonderboy, quit being a pussy! 10 more!" Puck shouted at Finn as the boy struggled to push the weighted bar higher into the air. It didn't help his focus that Puck was at his head and when he rolled his eyes back they were level with his friends junk, it didn't help that Puck was wearing running shorts a little bit too low over his jockstrap, the waistband of which was hanging out, and it really didn't help that Finn could imagine himself arching back and his lips coming into contact with what he truly wanted, mere inches from his face.
But he knew he wouldn't get it. He quickly, as quickly as he could that is, finished up so that the two of them could leave. Somehow they had been the last 2 in the gym after football, still working out and running plays through their minds, working on fictional practice games. When they were finally done it was after 5 and they were both sweating and exhausted. Puck walked into the locker room first while Finn put up some of the equipment that was still out. By the time he was done Puck had already left to shower at home rather than the school showers.
Finn stood at his locker for a moment, remembering the feel of Puck's hands over his as he spotted Finn, remembering the sight of Puck doing pushups, his shirt riding up so that his jock showed, Puck's smell. Unconsciously, Finn opened the locker next to his, Pucks, and looked in. Inside he found one of Puck's many jockstraps and a few other pieces of underwear and clothing.
"The boy really does never clean up after himself," Finn scoffed. Finn could feel his dick tenting in his shorts, already straining against the confines of his tighty whities (the underwear that always got him made fun of in the locker room). Already horny, and remembering some of these teasings, Finn got the idea to dress in Puck's clothing. It would help to solve both issues, so he suspected. Reaching his hand into the mess, eyes closed, he pulled out a black shirt for some band he hadn't heard of. Reaching in a second time, he removed a pair of black and green running shorts. The third time he reached in his hands grasped a few things that surprised him very much when he opened his eyes.
Hanging from his fingertips were emerald green bikini briefs and a pure black women's thong which felt lacy and smooth against his skin. This sensation, along with the thoughts of where it had been made his dick lunge into a full erection, almost orgasming at the exact moment. He held the briefs up to his face, inhaling the intoxicating scent of his friend while rubbing the thong against his nipples, teasing them into hardness.
The briefs he knew were Puck's but the thong he figured was Santana's, kept by Puck for a few certain...moments of freedom and alone time where he would basically do what Finn was doing now. The thought of Puck standing where he was now, fist clenched around his cock jerking it to a pair of panties made Finn's heart race and body twitch.
He quickly ran to the showers, letting the combination of warm water and the touch of his hands bring him to his orgasm. Back in the locker room, he slid the thong up his thighs until it rested against his still semi-hard dick, pulled tight against his ass, and then covered it with Puck's basketball shorts and t-shirt. Pocketing the bikini briefs, Finn hustled out of the school to go home and practice for a song for Glee Club tomorrow.
Little did he know that someone had watched the whole ordeal, and that they had just received a smack on inspiration also for Glee Club. Hand squeezing his cock, Mr. Shue walked back to his class to... flesh out his idea, and relieve a bit of tension.