1. when you penetrate your penis so far into the vagina that your testicles stop you from goin deeper.
by Drich44 December 17, 2013
Get the go balls deepmug. After the Saints won the Super Bowl, Reggie Bush celebrated by Going Balls Deep Butt Good on Kim Kardashian's phat ass!
by MOCO & P-Phat May 28, 2010
Get the Going Balls Deep Butt Goodmug.