Food, especially when speaking "lolcat". It's based on the "nom nom nom" onomatopoeia for eating.
When an Asian engages in intercourse with another person and/or object
Hey! Quit Nom Nomming with that fat chick!
He got his Nom Nom on with the dog yesterday.
a wanting to bit your partners neck
I want to nom nom nom you baby
The art of eating one's food loudly and enjoyably
Nathan: Hey Nem ,look at Haylee nomming on those fruitloops.
Haylee: *stuffing face with fruitloops* NOM NOM NOM
Nem: I want some *runs to Haylee* NOM NOM NOM
When food is so good you know your going to eat embarrassing amounts of it.
Can be used in both the present and past tense.
Word is deprived of nom and shameful
That chocolate cake looks nomful
That pizza was nomful
The act of eating large amount of extremely delicious food , normally accompanied by the traditional "nom nom nom" eating sound .
Dude , let's qo to Wal*Mart and buy mad food so we can start nomming !
it's just said when you think someone is hot or hella fine.
Bria: 'OH BOY!, look at him, he's hot! '
Me: 'NOM NOM NOM!'