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one who is chubby, but who is also a BAMF. i.e., Peter Griffin and Santa Claus. Can also be someone who annoys you
Shut up chubmuffin, L2lose weight.
by boo-boo GL October 18, 2006
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A form of saying someone is chubby without sounding as mean
Eric: Dude, she's so chubby!
David: Don't say that, that's mean. She's just a chub muffin.
by icanthearyou November 05, 2010
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