An Extra Large Portion of Yum-Yum would be like an extra large quadruple bacon thick burger with deep fried onions, chocolate pudding, and high fructose corn syrup.
by Kokuhyou~ January 9, 2010
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A very large teacher. A person who eats too much and is afraid of germs.
OH NO!!! Yum yum eat em up IS ABOUT TO EAT US!!!!!!
by Yum April 13, 2004
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When you see hot guy/girl and you want to "eatem' up"
email #1: Did you see that hot guy? He is so fine!
email #2: You mean...yum yum eatem' up

by Anastasia=) August 24, 2006
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When you're eating lunch, and it tastes so good that you can't contain yourself; A succulent food that tastes very nice.
by LunchMann December 28, 2017
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A popular catch-phrase from the television show The Simpsons. It is a road safety motto, and rhymes. A very appropriate phrase to graffiti on books, school desks ect. Also a piece of poetry that can be used to impress an english teacher.
Just walk don't run drink juice yum yum

Just Walk,
Don't Run,
Drink Juice,
Yum Yum.
by Sean Mooney November 10, 2006
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