When you flip the side pockets of your pants inside-out creating a penis looking shape which is referred to a "side boner".
Speaker 1: "Hey, why do you have a side boner?"
Speaker 2: "Oh, I must've gotten it when I was searching through my pockets looking for my keys."
Speaker 2: "Oh, I must've gotten it when I was searching through my pockets looking for my keys."
by Vaginal Destroyer December 07, 2013
"Dude! What about her she is totally hot!"
"Naw man, she's only a side boner job, too high maintenance for a relationship."
"Naw man, she's only a side boner job, too high maintenance for a relationship."
by TheCubesicle September 13, 2013