Definitions by PlusUltra

willypopper 

when you pull your foreskins soo far back while wanking the string part snaps and makes a pop sound

Son: AHHHHHHH!
Dad: What happend!!!!!!
Son: I think I had a willypopper!!!!!!!
Dad: Ahh not again son

willypopper by PlusUltra October 26, 2017