1 definition by ur MOM!OOOOOOOHHHHHHH!!!!!
Something people who are retarded, and don't have any comebacks and suck at life, so they respond with "ur mom"
Example of Someone Using a Your Mom Jokes: UR MOM! OHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!!!
by ur MOM!OOOOOOOHHHHHHH!!!!! March 5, 2015