The action of calling someone's mother gay. But can be backfired if said "No u"
Person 1: Why are you crying?

Person 2: Someone said "U mom gay"

Person 1: OOF
by The_Bigg_Boi April 11, 2018
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it means u mom gay lol, used as a comeback from a roast
Person: *says something "mean"*
Person: What's your comeback?
Me: u mom gay lol

Mostly used in a comeback
by umomgaylol March 15, 2018
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haha u' r mom gay
by zbigger September 10, 2020
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umom
u mom
by yae3s October 27, 2020
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Irrational way to answer a discussion to win instantly against any argument, should not be considered valid if and only if the discussion is serious.
Tengo la razón por qué tengo todas las pruebas a mi favor y por ende todo lo que puedas tratar de decir por intentar refutarme te es imposible

U r mom gay ( Instantaneamente gana el debate )
by DESP117 December 22, 2018
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it's when u accuse a person to have a gay mom
u mom gay you little kiddo
by funny stuff u nab December 2, 2019
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