Another term for cleavage. It's the crack made by two big tits squeezed together.
'Holy shit check out the tit crack on this chick'
by King of Half'rs January 15, 2005
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similar to "butt-crack"

The split in boobs when shown cleavage.
Like a crack on a butt, butt crack.
Jatin: i need some pics to jack off to.

Parsh & Yash: any specifications?

Jatin: uh, it needs tit-cracks of girls in the middle school range.

Parsh & Yash: Roger.
by JatDizzle May 22, 2010
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