To show that ur mom, who is a woman, likes another woman, like your friend's mom which makes your mother, gay. A of memes, it's spelled "gae".
by loblock_pillows June 3, 2018
Get the Ur Mom Gaymug. Possibly the dumbest insult of all time, it can easily be countered by ‘no u’ but people still say it despite the fact that is has become obsolete
by It is in my ass September 25, 2018
Get the Ur mum gaymug. by bigshagger July 20, 2018
Get the ur mom gaymug. by SUCKMYCOCKBIIIITCH July 4, 2018
Get the Ur Mom Gaymug. by mobambahasenteredthechat June 23, 2019
Get the ur mom gaymug. The ultimate form of an insult. Usually used as a finishing move on the strongest of opponents to show that your intellect is stronger and more advanced.
by A center for ants October 30, 2017
Get the ur mum gay lolmug. 