The sound made by someone or something eating.

Most commonly found in lolcats and similar macros. It usually translate as, "I am absorbed in eating this".

The phrase may relate to the sound Cookie Monster makes on Sesame Street when eating cookies.

Also "Om nom nom".
*picture of kitten asleep in food bowl*
"OM NOM NOM"

Joe: So how's that burrito?
Jack: Om nom nom nom!
Joe: So good, then?
by Infamyanonymous January 19, 2008
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Food, especially when speaking "lolcat". It's based on the "nom nom nom" onomatopoeia for eating.
I iz hungrey, can haz noms?
by ScoJo July 4, 2008
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When an Asian engages in intercourse with another person and/or object
Hey! Quit Nom Nomming with that fat chick!

He got his Nom Nom on with the dog yesterday.
by The Jesus Room June 17, 2011
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a wanting to bit your partners neck
I want to nom nom nom you baby
by MynameisAlice3 July 21, 2010
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