the best come back

"no u" is the worlds best answer to every "ur mom gay". It also is very good for answering the higher forms of "ur mom gay" such as "ur dad lesbian", "ur ancestors incestors", "ur god a frot", "ur niece obece" and so on. But be very very careful using this word, it could make someone die instantly.

An autistic kid named bennet will continually abuse and use this phrase and kill the joke.

the flip around. it can make any attack, both physical and mental, turn back upon the attacker. only select people have the ability to use it, including memermen, and you can usally find them as leaders in your community. they make great friends, but horrid enemies.

An urge to sleep with the person above you

the best comeback there is, if someone says no u in an argument, you automatically lose.