Bollock Banging
When you're having rampant sex with a woman and your balls slap on her bumcheeks.
Guy1: hey dude whats up?
Guy2: Dude just gave this chick a good old bollock banging last night.
Guy1: Nice one bro!
Guy2: Dude just gave this chick a good old bollock banging last night.
Guy1: Nice one bro!