What is Back Crack?
1.
When the asscrack starts at the lower back.
look over there is that his ass crack? No his pants are up it's his back crack
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2.
When a fat persons back is squeezsd together to resemble a butt crack.
1. Bill Clinton likes when he gets a glimps of pure unadulterated Back crack.
2. Most people hate it when a bead of back crack sweat slide into their butt crack.
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3.
One who has a very flat ass, which looks like their back has a crack.
"Man that chick has no ass at all"
"Yep, that's what you call a Back Crack!"
