When you a sleep with a girl, wait till she falls asleep, then steal her money and cum in her purse.
Guy 1: "Remember that fat chick I went home with the other night?"
Guy 2: "Yea"
Guy 1: "You'll be happy to know I sneakthiefed her. Now we can pay the rent."
Guy 2: "Yea"
Guy 1: "You'll be happy to know I sneakthiefed her. Now we can pay the rent."
by Sneakthiefer May 3, 2009