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1. The space between the small of the back and the beginning of the buttocks division . Some ladies show that part with their cut blouses, thereby suffering mosquito bites.
Me: "She has a tattoo on her prebutt"
Other Dude: "you dummy, that's the small of her back"
Me: "I disagree.. it's definitely her prebutt."
by The Big E May 10, 2005