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what a girl has when he has a tattoo at the small of her back
She's a really cute and fun girl, but I noriced she has a sluttoo of Andy Rooney, and now I feel kind of sad.
by Travis January 17, 2005
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A tattoo on a girl's lower back, usually of something stupid like a butterfly or random tribal ink.

aka "Tramp stamp"
"Check out the sluttoo on that girl!"
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