Bustin' a Pee Wee
Getting caught masturbating a la Pee Wee Herman
Suzie: I caught Mark bustin' a Pee Wee. He had his dingus in one hand and a picture of Jennie in the other.
Cat: You better dump that jackass before he two times you with your best friend.
Cat: You better dump that jackass before he two times you with your best friend.