Definitions by WTFIHaveNoLife

Ur mom 

A comeback that will win against any insult thrown at you.

Also a random thing to say to your friends.

Idiot: You have glasses, you're a four-eyes
You: Ur mom

Idiot: You have a double chin you look so dumb
You: So does Ur mom

Ur mom by WTFIHaveNoLife February 20, 2022