Omnomnoms 

In simple words, BOOBS!
Usually a guy will call it this if he finds that the boobs he is looking at are "tasty".

Those are some nice, omnomnoms she's got

Omnomnoms by The One with ALL the Knowledge April 29, 2011

omnomnomnom 

Describing something being eaten usually in a humourous way.
.

Someone may badly edit a picture and draw eyes mouth and teeth over it to show that the subject is being eaten. They would then write omnomnomnom on the picture.

omnomnomnom by onlineamiga June 21, 2008

Omnomnomtacular 

When something is both delicious (om nom) and spectacular.
This word can be used in a broad number of situations (as shown in a couple of examples found below)

Ex. "This cheesecake is omnomnomtacular!"

Ex. "Bacon to cure this hangover? What an omnomnomtacular idea!"

Ex. "Oooohhh (insert attractive male/females name) is looking omnomnomtacular tonight!"

Omnomnomtacular by Kschez April 4, 2011

omnominous 

A feeling of impending lunch

I have this omnominous feeling...

omnominous by Wulfson August 10, 2009

omnomnomnivore 

everything eaters

I am an omnomnomnivore!

omnomnomnivore by TheOriginalOmnomnomnivore August 4, 2014

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

Omnomnocity 

Describes the deliciousness of a food. Usually used to describe something so redonkulously tasty that you get a mini-orgasm while eating it.

The omnomnocity of these soft, freshly-baked chocolate chip cookies is through the roof.

Omnomnocity by Fergus13 November 3, 2010