Top Definition
The sound you make after seeing something so delicious that you just want to eat it all up (whether it is food or a female).

For a first-hand example, see the movie Role Models, when Augie is served chicken fingers.
In the movie Role Models, after his order of chicken fingers arrives at the restaurant:
Augie: *mmm num num num num num*

After seeing pictures of Avril Lavigne in Maxim:
Me: *mmm num num num num num*
by outerbanx January 01, 2009
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