In this word, Mom is an adjective to gay, meaning if someone says you are Mom gay or you’re Mom gay, they are calling you a gay mom. Not to be confused with your mom gay lol, which doesn’t have an ‘re.
Straight boy: hey, your mom gay
Straighter boy: oh yeah you are Mom gay

Straight boy: *dies*
by Urmombig gay February 19, 2018
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A come back to end all come backs, you will never lose if used.
Kid1:You suck Benis

Kid.2: you are moms gay

Kid1.: cries
by Saucy cock February 19, 2018
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The insult to end all insults, if you say you mom gay to someone then immediately leave to not witness a suicide.
"Youre stupid."
"Yeah well you mom gay."
"How could you?" *kills self*
by FUCKING END YOUR LIFE February 24, 2018
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"You mom gay" is a joke typically used in the seventh grade. Many people get extremely butt hurt when this is said about a mile away from you.
Douchebag "Yo, you mom GAYYY"

Butt-Hurt child "HOW DARE YOU I'M TELLING MOM--
by QuiteThirsty December 17, 2018
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Its a way to insult a gay person
by saying you mom gay boi
you mom gay you gay shit
by deezmomgaynutz February 9, 2022
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