to enlarge the penis without making it look erect, just to get the blood flowing. Making it look flacis, but slightly longer/thicker than normal

to unshrink the penis
he needed to chub up a bit before she came in the room, so as to loosen up his shrunk penis
by Notsob November 13, 2006
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to get the blood flowing to the penis without necessarily being in a sexual situation.
My doctor is a hot woman and I needed a testicle exam. Being it was a freezing cold day I needed to chub up before she came in the room.
by glenn1907 April 1, 2007
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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 5, 2009
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The default response for the larger person when asked if they would like to pay that little bit extra for a larger drink and fries.
Patron: "Burger, fries and a full fat coke please."
Vendor: "Would you like to supersize that meal?"
Patron: "Chub me up"
by Nicky Stickers August 8, 2011
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