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 18, 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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A small tattoo on the hip, just under the bikini line.
Tiffanie was really excited to show everyone her new unicorn sluttoo.
by Hymen Rosenchao December 5, 2011
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