Seen in the episode, "Get the Girl," of The Office. A name that is supposed to be a mix of Dumbo and Jumbo, with a hint of chubby.

the thing that you don’t have when you’re phones percentage is over 20

term derived from the words, wumbo and chum.
describes a person who is inept and clumsy.

One who acts foolish inadvertently yet believes that they appear cool.

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A derogatory (mean, rude) name for a ridiculously straight man. Often associated with trailer trash, Chumbo's tend to be womanizing, beer drinking, steak eating, american football watching heterosexists (homophobics).

This term is most often used by homosexuals and bisexuals, though can be used by any straight person who doesn't fall into a ridgid steroetype.

(Adj) A mix of chubby and jumbo