Top Definition
(past-tence verb) To have eaten and masticate (chew) in an excited manner or fashion.

a reduction from the "om nom nom" or "nom nom nom" meme where normaly animals are seen eating objects and/or food

see also omnom
The bread looked so good I coulden't help my self, I totaly omnomed it
by decrotie2004 January 18, 2011

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