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1.
A slightly friendlier way to refer to tummy fat or the spare tire.

By using the relatively innocent term "chub" (shortened from "chubby") instead of the more loaded "fat" or the unflattering "bulge," the phrase dodges some of the stigmas that have arisen from increasing obesity and our appearance-obsessed culture.
"That bikini looked great on the hanger, but when I put it on all of my belly chub was hanging out so I bought a tank suit instead."

- "Why are you on a diet? You're not fat."
- "Yeah, but I want to get rid of this belly chub."
by k.ann.h June 01, 2006