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A food phenomenon involving lots of loud munching noises often seen at all-you-can-eat buffets.
I went to the mall, and there was a phenomnomnom, it was INTENSE!
by Nate Lance December 12, 2008

1. A dish or food creation so phenomenal it causes orgasms of the mouth with every bite.
2. Food or edible creation that is a degree above Phenomenal.
Two halves of cream-side oreo on top and bottom of a Reese's cup, then dipped in chocolate would not only be diabetes-inducing, but also phenomnomnom.
by Dr4c0 May 20, 2013