Top Definition

1) the phrase often used as a sound to describe the noise a person makes when they eat
2) an awkward silence filler
3) used by nerdy teenage girls

person eating kebab: UMNUMNUMNUMNUM

me: stfu, you eat like a freakin fatass

person eating kebab: fuckin' yummeh kebab :]



teenage girl: umnumnum! tehe

Me: oh myy, you think you're so random but you're not.

by AhaaaJokes July 17, 2010
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