basically food that makes u feel ill or ruin your chemical balance (too spicy, too greasy).

bad for your body equilibrium
don't eat that, it's all Yeet hay food
by joyjay December 27, 2019
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a sickness in cantonese, not to be confused with yeet, another sickness
shit I just ate some curry, i got yeet hay
by suwaloma March 2, 2019
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A group of people who dress fresh AF looking like snaccs (literally) while repping their culture and being unashamed to show the world who they are
Jessica: "Holy shit, who are those people with those shirts and hoodies?"

Edward: "They're the Yeet Hay Gang. They look fresh, and don't mess around. They're real ones"
by yeethaygang August 2, 2022
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Basically the thing your mom believes is the reason for everything. Can be greasy, too sweet/spicy food or your phone etc.
"Ugh I have a headache.” “I’ve told you: Yeet hay!”
by holys April 11, 2020
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