According to Canadian singer/songwriter, Justin Bieber, this is the word that "girl" has. "Girl you got that yummy yum," says Bieber in his hit song "Yummy." Nobody truly knows the meaning of is words, for it could be taken in any way (including sexual, cannibalistic).
Person: "Wow, she's very pretty!"
Justin Bieber: "Yeah, she got that yummy yum."
Person: "Wh-"
by Tsumugi_Kinnie October 30, 2020
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Usually used to describe a Romario. Meaning someone who looks like a snack; delicious, or very hot. In most cases, makes your mouth water when looking at them.
Have you seen Romario today? He's looking yum yum yummy!

My mouth wouldn't stop water all day when she was here, she's so yum yum yummy.
by Jake v3 September 12, 2019
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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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