A loud and sometimes annoying sound made when eating. It is also made when a large person sees food and runs over, stuffs it in their mouth and devours it like it was fancy food being eaten by a rich person.
Friend: Is that a raccoon in my trash?

Me: I dont know.

Friend: Oh my god it is.

Raccoon: OM NOM NOM
by i_dont_really_know August 14, 2011
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A: the sound cookie monster eats while eating a cookie

B: something you say when you are hungry or want food for some reason.. but i think thats the definition of hungry...

C: The name of a video

D: if you don't have anything else to say, say it, and voila! conversation,*NO refunds all standard carrier rates apply* jk

D: If you meet a new group of people, it COULD b used as an icebreaker, if all else fails... but don't be surprised if they dub you a freak

E: a fun thing to say
person1; om nom nom

person 2 rolls eyes

person1; what? i had nothing ELSE to say... :'(
by thegothicatheist April 11, 2010
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Om Nom Nom-(v.) The action of narfing something down as an act of extreme hunger.
2. A sound a kitty makes while is sips milk from a bowl formally labeled "milk".
3. A sound a mouse makes while it nibbles the cheddar found in the corner.
Nom Noms
Om Nom Nom
by Pseudonym PWNS YOUR FACE January 12, 2011
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A phrase used when your very hungry, in a train of thought or just want to fill an awkward moment.
(simulates noises made while eating)
(you & your friends are having an awkward moment, everybody is just looking at each other/scratching the back of there heads)
you: om nom nom(everybody laughs and the silence is broken).
by LethargicSumo February 21, 2011
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The words someone makes when they are eatting something/someone or you.
Random chic-
"Hay! How was your weekend?"
You-
"Good, But the wo-"
Random chic-
*Starts to eat your arm*

"Om nom nom..."
You-
o - e
by SingASongOfFish May 14, 2012
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1. Another nickname for a M.I.L.F.
2. A term that can be used to describe an extremely hot Mom.
3. A term created for an original comedic effect used to describe an attractive Mother.
"If that girl is attractive, then her mom must be an Om Nom Mom."
by Jimson Jabs February 21, 2010
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the sound sibour makes while chewing on a stick held up by tarzan, as seen in the disney film.
sibour: raaaaawr!

tarzan: *falls to floor* *holds up stick*
sibour: *chomping stick* om nom nom
by koahu January 27, 2010
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