Omnomz 

The sound made whilst eating or referring to something as tasty, in most cases food. An alternative to 'nomnomnom' :D

A girl called Laurley is sitting in Chemistry listening to her teacher's lecture on halide ions.

Teacher: A halide ion is a halogen atom bearing a negative charge
Laurley: OMNOMZ

Omnomz by alalalaaah May 18, 2009

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

omnom 

tasty

This food is omnomnomnomnomnom

Add nomnom's as it tastes better and better

omnom by TonioRoffo August 18, 2008

Omnomnia 

The inability to go to sleep due to being to hungry.

"had the munchies, couldn't sleep, bad case of omnomnia man!"

Omnomnia by siberiandivide April 13, 2010

Omnomagon 

Shape that looks like Pacman

Teacher: What is this Charlie?
Charlie: It's an Omnomagon Miss!
Teacher: Pardon? It's just a pie chart in the shape of pacman.

Omnomagon by LardoPardo April 28, 2010

Omnoms 

Any kind of food, chow, eats, sustenance, etc., but particulary of the delicious snack variety.

May be colloquially referred to simply as "oms".

Bob: I'm really hungry man.
Billy: Let's book it to the 7-Eleven to get some omnoms then.

Joe: These bbq kettle chips are fucking delicious.
Susie: I know, they're my fave type of oms.

Omnoms by Alexikat September 8, 2009