A comeback to win every argument ever.
Person 1: Hey Joe what are you doing tonight?
Person 2: Ur Mom.
Person 1: Hey I have some leftovers do you want some?
Person 2: Nah, ill just have ur Mom.
an expression/"insult"
person 1: "u look stupid"
person 2: "ur mom"
the hottest person you'll ever meet on earth.
Jake: I did your mom so hard last night
Birth: Omg lucky I would totally do a three sum with my mom too!!
A insult/comeback that makes you instantly win an argument.
Guy A: ur mom
Guy B: Dude, using such a cringe, overused, lazy, lame insult that doesn't make me cry? How pathetic, I don't even have a mom. If I did, I still wouldn't be mad or sad. So say all the "ur mom"s you wanna say, I won't give a goddamn shit.