3 definitions by Scott Warshire

A portmanteau of awkward and awful; something that is both awkward and awful.
It's going to be awkful to discuss the sex-ridden book in Mr. Smith's English class, he is a 82 year old man you know.
by Scott Warshire September 3, 2007
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One who is dumber than usual.
John is such a Dumbis, he lost his keys to his car.
by Scott Warshire August 16, 2007
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Senegalese slang for "a meaty girl".

For added emphasis, chum chum can be added to the end of the word.
Example One:

John: Damn mane, look at that numma chumma.
Bob: No way you dumbis, that girl is as flat as cardboard.

Example Two:

John: Yo, check out that numma chumma.
Bob: Damn mane, that ass fine as hell...numma chumma CHUM CHUM
by Scott Warshire August 16, 2007
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