Top Definition
umnumnum-

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
1.

person eating kebab: UMNUMNUMNUMNUM

me: stfu, you eat like a freakin fatass

person eating kebab: fuckin' yummeh kebab :]

2.

*silence*

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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