Girls' changing room is under maintance and everyone has to use one room. After your workout you and your gym friends get into a friendly conversation with a girl. She's very confident with her body and assures you that you can freely change infront of her. In fact she loves man anatomy and would love to look at your penises and testicles. She starts stripping and notices everyones gets an erection. Yours seems to be the biggest so she offers to suck your penis. She goes all the way describing in details what she's doing until your ready to fuck her. She sits on your erect penis with her vagina and rides you. Your testicles touch her butt while she does it. She wants you to empty your testicles inside her. You shoot your big semen load deep. She's satisfied and can't wait to use all of these proper terms again.