1 definition by mikami_teru_674

Big Bang

It's when you're fucking a chick from behind, and right as you're about to blow, you smash a watermelon over her head, yell "BANG" and cum all over the back of her head.

Dude, so last night I gave Patty the Big Bang, it was epic!

by mikami_teru_674 September 9, 2010