The noise my catsmake when they are scarfing down their food. It sounds like a cross between the word nom and a deep growl.
I place tuna on a plate and my kitty Oscar goes nuts. He then eats the tuna in a very fast manner and makes a growling noise that sounds just like "om nom nom nom."
when a slightly over weight women in the midst of sex her fanny lumps begin to wack one against the other after the man releaves the vagina from his penis and a sound of "nom nom nom" is made from the vagina.. which is defined as noming
damien:oh.. yes.... yes.. YES YES CLAIRE. YES!. urghh... oh that was nice... huh claire?
claie: nom nom nom