Urban Dictionary: Chumbucker

A friend that is cool one on one but will generally embarrass you in a any group setting you fond yourselves in.

Oh, I am so glad that you ditched that chumbucker in the bad part of town.

by Ranchgirls January 10, 2021

Fool, Idiot. Said with some fondness.

What a chumbuck.
Goddamn chumbuck just nailed himself to the table again

by Chumbuck December 17, 2008