Top Definition
the phrase used to describe the squeezing of a flacet penis as to make it thicken and "CHUB UP"
Clyde was wasted, he really needed to chub it up if he want to whip that dick out in stuff it in her mouf,nucca.

fellaS!!!!! chub up!!!! chub it up!!!!! the cameras on
by jazz expert!! July 04, 2009

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