Ur brothers ur mother 

The most powerful, insane, phrase that can ever be spoken of.

Steve: ur mum gay
Jack: ur dad lesbian
Steve: THATS IT. UR BROTHERS UR MOTHERRR

*Two universes collide and create a black hole which destroys all of the galaxy*

Ur brothers ur mother by DEEPCREEP May 11, 2018

ur brothers a mother 

Even worse than ur sisters a mister. Anyone who says it instantly disappears out of existence

Titus: ur sisters a mister
Jacob: ur brothers a mother
Titus: *disappears out of existence*

ur brothers a mother by AGoodLookingMushroom March 20, 2018

Ur brother ur mother 

Ultimate insult of all insults about sum nibbas family

Geoff: ur mum gai
Ryan: No u, ur dad lesbian
Geoff: Ur granny tranny
Ryan: no u
Geoff: Ur sisters a mister:
Ryan: UR BROTHER UR MOTHER
Geoff: is sent to thot hell to burn and never return

Ur brother ur mother by Mysistersnotamister27 March 15, 2018

ur brother ur mother 

Worse than you're mom gay, ur dad lesbian, and ur granny tranny COMBINED.
When this phrase is uttered, the speaker immediately transcends to the next galaxy, and the sun becomes a black hole.

Ryan: ur mom gay
Ethan: ur dad lesbian and ur granny tranny
Ethan: say it u won't
Ryan: B E T
Ryan: UR BROTHER UR MOTHER
*solar system collapses, universe shrinks, Ryan transcends to heaven*

ur brother ur mother by biggest-nibba-down-south May 12, 2018

ur brother is ur mother

This one is the worst of all the ultimate plot twist, it completely knocks ur mom gay, ur dad lesbian, ur granny tranny, ur granpap a trap, and ur sister is a mister out of the park

Caleb: ur mom gay
Nick: ur brother is ur mother

ur brother is ur mother by 420nick69 May 11, 2018

Ur brother is ur mother

One of the eight most deadly phrases in the world. It has not been muttered since the anciet great wars, not to be used lightly.

Justin: Ur mom gay
Kyle: Ur sister a mister
Justin: That's it... Ur brother is ur mother

All the stars' gravity becomes 10000000000x stronger pulling everything into their reaches. Once the final star has been born the big bang happens again.

Ur brother is ur mother by capricornicus May 12, 2018

ur brother is ur mother

As compared to "ur sister a mister"
It is pretty much the same thing but worse.

John: Ur sister a mister
Rob: Well ur brother is ur mother
John: Oh shit

ur brother is ur mother by dragoJim May 11, 2018