1. Noun: Also known as munchies, a tasty treat.

2. Also see growlies

2. Verb: A side effect of smoking bud,marajuana where you become uncontrolably hungry and get a sudden desire to eat large consumptions of food. The way you get after inhaling the byproduct of combusting the hemp plant. (Delta 9 Tetrahydrocannibanol)

3. Verb: Contrary to popular belief, you aren't actually "hungry" persay- it's more like you lose self control when you're high. you don't care if you get fat, you just crave the sensation of eating, like if you'd never eaten before. You also don't ever feel full even though you might be aware that you are.

4. Deliscious food, which is greatly desired
1. Hey man, lets go get some yum yums
1. Hell, these are some damn good yum yums
2. Dood i have the yum yums
by Ali Lansing August 07, 2006

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Another name for marijuana. usually used in a playful or joking matter
" we finna go Cop some Yum yum for later"
by SEKT January 19, 2006

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delecious baked cake thing,
made of puff paistry and coated in a thin glazing of iceing.
Its name is its best definition.
Person 1: i ate 3 yum yums and now i feel sick.
person 2: Dude.
by argos gold February 23, 2005

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The female genitals.
Her yumyum is soooooo yummy
by ^_~ November 23, 2004

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Blow job. Used mostly in the SE Asian sex trade.
See blow job
bj
How much for short-time and yum-yum?
by Mino May 05, 2004

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the female genitalia.
Nice yum yum!
by Mars November 09, 2003

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A hot babe that you want to fuck
Dude 1: Look at that hottie!

Dude 2: Yum--Yum!
by MOCO & P-Phat May 28, 2011

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