A female of large carriage, or a corpulent girl, who is acceptable for a male individual to have sex with IF the said male individual is highly intoxicated.
"At this party tonight, I'm just going to try and get laid; I'll bang a chub-bug honestly, I don't care".

"You know, Jenny has a pretty face, but she still qualifies as a chub-bug".
by Tuco Finn May 27, 2008
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