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1.
booty , crack. the space between the two buttocks.
she got a hot tribal tattoo right above her booty crack and it looks good under a lowrise bikini.
by Keallei July 21, 2006
 
2.
the thing that yo mama licks
the thing between yo cheeks(other cheeks)
by the #1 bootycrack licker August 03, 2003