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omnomnom 

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.
omnomnom by Iggor November 10, 2006
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omnomnom 

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!"
omnomnom by LammySees June 23, 2008

Omnomnom 

Omnomnom is the sound that zombies make when eating people.
Bob: Omnomnom!

Nube: AH! IT'S A ZOMBIE. IT'S EATING ME!
Omnomnom by XxXDieXRomanticXxX April 1, 2010

omnomnom 

I want to drink your breast milk in Thai
Hungry Baby: omnomnom
omnomnom by ninja97 August 22, 2011

omnomnom 

1. The word that describes eating on the internet

2. Any picture captioned with the word omnomnom (similar to lolcat or failpic)
1. gtg i hav 2 omnomnom

2. Dude, this omnomnom is freakin' hillarious!
omnomnom by Taco pown3r August 18, 2009

omnomnom 

To eat a person or eat a persons body parts.

Or to show thanks or hello
i omnomnomed my girl friend last night
or
omnomnom anna
or
can i omnomnom your ear?
omnomnom by ramenlover1994 December 27, 2008

Omnomnom-able

Something that is desirable for eating/nomming on.
"The scent of that pretzel is delicious and omnomnom-able!"
Omnomnom-able by Pip Pip Cheerio October 14, 2008