by S.A.R.S. July 02, 2008
an unfourtunate birth defect where instead of having a nutsack next to your tallywacker, you have one on your back
I fell off my bike and my back sack exploded
by ice dragon April 05, 2009
A: Yo dog, I can't believe you just ball-tapped me from behind, you got all back-sack.
B: Ew, check out that old guy's back-sack hanging out of his pants.
C: Check out Katz's shaved back-sack.
D: Mom, Jacob put his back-sack on my face.
B: Ew, check out that old guy's back-sack hanging out of his pants.
C: Check out Katz's shaved back-sack.
D: Mom, Jacob put his back-sack on my face.
by J'Nathan Bo'Jingles May 25, 2008
The assault of one's testicles from behind. Generally, the victim is bent over, however a standing attack up the legs is also commonplace.
Often times, the assailant will yell "back sack attack!" either at contact, or after the strike is complete.
Often times, the assailant will yell "back sack attack!" either at contact, or after the strike is complete.
Winding up for a kick, Ben positioned himself behind a bent-over Matt. Using mostly the flick of his foot unto the scrotum, Ben yelled "Back sack attack!" before Matt ever got the chance to react. Devolving into his fetal position, Matt sat writhing in pain.
by MrPistachio February 09, 2013
The removal of hair from the back, nutsack and between the ass cheeks to achieve a more groomed and streamlined look. Usually done by waxing at a salon, or by various do-it-yourself means in the home setting.
Jason has been begging his girl to toss his salad, but she says she won't get near it til he gets a Back, Sack and Crack.
by Topaquita April 19, 2004
by Ank D. Holla December 24, 2007
Wacko:(standing shirtless working out)I love working out
Ed: (standing naked)I love my sack on people's backs
(jumps on Wacko's back, and his sack is on Wacko's back, thus giving him sack back)
Wacko: God damn it Ed!
Ed: Gotchya Wacko!
(Proceeds to kick Wacko in the ass twice)
Ed: (standing naked)I love my sack on people's backs
(jumps on Wacko's back, and his sack is on Wacko's back, thus giving him sack back)
Wacko: God damn it Ed!
Ed: Gotchya Wacko!
(Proceeds to kick Wacko in the ass twice)
by I Cruuuuuuuuuuuuuuuuuuunch you May 24, 2009