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When you have a fat pimple on either one of your butt cheeks. This pimple makes your butt cheek/cheeks look like a boob. The cheek of the butt is the breast, while the red pimple is the sexy nipple!
Oh my gosh! You have such a sexy butt - boobie. Can I get your number?
by Butt Sav January 07, 2011