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 begginghis girl to toss his salad, but she says she won't get near it til he gets a Back, Sack and Crack.
Billy: Hey Dad! Guess what I got with my 15 dollars of allowance?!
Dad: What did ya get, sport?!
Billy: I got a black hooker to give me the crack sack down on 5th and Main in her '94 civic!
Dad: Last time I did that, the hooker got half way through the line and tweaked out and bit into my sack and I got half a line of coke directly to my balls! God I love your mother...
Three words defining the hair removal procedures involved in hair salons of a male from the areas of the carpet back, ballsack and butt crack.
Usually coupled with a hairless jock area.
'You're a fucking hairy cunt'
'No way dude, I'm off on a jolly this weekend at a health spa. As part of the package I'm getting the 'ole back sack'n'crack'
'I hear that'