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What one says when eating something very good, or when eating quickly.

Onomatopoeia for Cookie Monster's war cry when invading the cookie jar.

A vague reference to oral sex, especially on a female.
Person one: Hey, have you tried these new cookies? They have fudge, caramel, and nuts on the inside, outside, AND in the chocolate chips themselves! Here, I brought some for
Person Two: *OMNOMNOMNOMNOMNOMNOM*

Person One: GOSH I SURE HOPE NOBODY TAKES THIS GIANT COOKIE I'M LEAVING ON THE COUNTER.
Cookie Monster: *Swoop* *Grab* *Bulimia'd* OMNOMNOMNOMNOM.
by Iggor November 10, 2006
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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2
the sound zombies make when chewing on your flesh.
Person:OMG a Zombie!!!! It's eating my brain!!!!
Zombie: OM NOM NOM!!!
by ana.lives October 11, 2009
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3
meaning food or eat. verb: nomming.

Girl: 'I need some om nom nom'
Boy: 'same, i haven't om nom nomed all day!'
by LucyxD March 29, 2008
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4
1. Eating something very fast or messily
2. Used to describe someone sexy
3. Used to describe making out
4. Basically coined by Cookie Monster
1. "Mmm, cookies." *omnomnom*
2. "Ooh, lookit that yummy guy over there." "Mmm, omnomnom."
3. "It was so gross. They were kissing and it was like, 'OMNOMNOM'"
4. "Cookie, cookie, cookie starts with C! OMNOMNOMNOM!"
by LammySees June 23, 2008
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5
the sound that heavy in team fortress 2 makes when he chews a delicious sandvich. now it can also be used in any generally pleasant situation.
person 1: "I got a new girlfriend"
person 2: "congrats!"
person 3: "om nom nom..."
by what.the.fudge September 08, 2010
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6
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 13, 2011
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