someone so skinny their ass is nothin' stickin' out past their butt...
shoot, girl, you gotta eat somethin' you got nothin' but a back with a crack!
by deja2entendu May 4, 2006
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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
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A sexual position where the male gets onto the back of a naked female. The male will then slap the back of the female while sticking the hand into the anus, sometimes screaming "HORSE".
The Back Slap and Crack is a banned method of messaging.
by ISDBdefinitions June 11, 2020
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When you have a small butt and it looks like your butt is part of your back. The only butt feature is the crack.
"Yo he gots no butt, das a back and crack!"
by sk8erboihfm March 6, 2009
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Back Cracking is to have rough sex that disorients the person or gives them extreme pleasure.

To have your back cracked is to have rough sex.
She had her back cracked last night and won't be able to come to work today. ( She got some bomb dick that fucked her up so good she can't even work today)
by MSBN March 20, 2016
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look over there is that his ass crack? No his pants are up it's his back crack
by logan December 22, 2003
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