Boner in Gym Class
Saying men use to compare something extremely embarrassing, to. Derived from experience some male teenagers go threw in which they get an erection in a gym class that ends up being extremely noticeable because of the loose basketball shorts everyone must wear in gym class.
Steve, "Dude did you just fart in front of Lisa?"
Brad, "Yeah, it was more embarrassing then a boner in gym class!"
Brad, "Yeah, it was more embarrassing then a boner in gym class!"