"Ur mom gey" is one of the cheapest paybacks in the entire world. You usually use it when you are in the younger age and dosen't find anything relevant to say in a conversation, such as the age of 15.
"Why are you so stupid?"

"Your mom gey"
by Verdoxia December 1, 2019
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This is an inslut shaming your mother for being homosexual, even thou its more often used as a word to end small talk.
by OLUIKJYHTGRFADS November 15, 2017
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