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1.
1) A term of endearment used to address/describe a woman possessing a FUP.

2) The physical presentation of the FUP as it billows out and over a pair of constricting jeans or stretch pants. It's just like a muffin top, only sweeter.
1) "Hey, FUPcake. Do you want to go to KFC later?"

2) "Those new leather pants make you look like total FUPcake, mom."
by bralikzandr May 26, 2010