nom nom

 
Pronunciation: /nɒmˌnɒm/
informal, chiefly North American

exclamation

(also om nom nom)
  • used to express pleasure at eating, or at the prospect of eating, delicious food: chili and cornbread for dinner, nom nom!

noun

(nom noms)
  • delicious food: there were all kinds of nom noms—onion rings, hot dogs, burgers, and fries

Origin:

early 21st century: probably imitative but apparently also popularized by the noises made by the Cookie Monster character in the children's television programme Sesame Street. Compare with yum yum