Balls that smell like Fastfood (i.e. Fries, Hamburger, or Milkshake). To verify the smell of your own McBalls, you can simply leave your hand on them for a while, and place your hand to your, or someone elses nose. However, best results may be achieved by directly smelling McBalls.
Would you rather like some McBalls?
by Bobblesworth Von Spankleton III January 28, 2008
Being drunk to the point of being blacked out. Busting girls heads open, fukin around with off bitches u never would sober, can't see or walk straight but you keep drinnking anyway...McBalls!
by McBallss December 9, 2008
Derogatory term used to describe a disagreeable and effeminate heterosexual man whose sexuality may in fact be in question.
by skullcrusherrrrr July 12, 2010