This is a term worse than "ur mom gay", "ur dad lesbian" , "ur granny tranny", or even "ur sister a mister"...
This should only be used a last resort and using this term liberally may cause the end of humanity
Greg: "ur mom gay"
Dave: well, "ur dad lesbian"
Greg: shit, well then that means "ur granny tranny"
Dave: "ur sister is a mister"
*Universe implodes, leaving Dave And Greg on a floating rock in space*
Greg: you pushed me too far
Dave: don't you dare say it i swe--
Greg: "ur brother a mother"
*entire quantum-verse crumples, releasing radioactive materials that prevent and form of human life from existing for the next century*
by SavageSpaghettiSixtus March 17, 2018
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Worst form of roast if it is said more than once every thing that fucking exist will fucking implode, worse than ur sister a mister
You“ur granny tranny”
Me “ur grandpap a trap

You “ur sister a mister
Me “ur brother a mother
by Poolball222 March 18, 2018
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The worst insult of all time even worse than ur mom gay, ur dad lesbian and the other phrases
Jeff: Ur mom gay
George: Ur brother a mother
Jeff: *literally fucking dies*
by The Deranged Retard March 16, 2018
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ur brother is mother is way worse than

-ur mom gey
-ur dad lesbian
-ur granny tranny

only use it at own risk the person who said it will die but the person who heard it will explode and the world will fall apart
dude1: ur granny tranny

dude2: bro dont make me actually DO it

dude1: do it noob i dare you

dude2: *loads up inner energy*

dude2: ur brother is mother *dies*

*worlds fall apart* *dude1 dies* * dude2 dies too* error 404 happened
by turkishweeblord March 17, 2018
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The most rare insult in the planet of the earth. Has never been used and was buried in the core of the earth to be permanently destroyed. But then the sun god retrieved it while finding the Holy Grail and decided this insult was better and had told it to nobody. This will obliterate any insult including "Your Family Tree LGBT". This insult also breaks the No U infinite spell card found by some users in discord and steam. Be sure to use this accordingly.
John: "ur family tree lgbt"
Pulls out small cloth and leather box
John: "it was only a jok-"
You: "UR BROTHER LIKES UR MOTHER"
*universe implodes infinite times into itself causing the universe to turn into a black hole*
by fuckin bitchy ass April 02, 2018
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worst fucking insult ever, worse than ur granny tranny
frank: ur mum gay lol
andy: ur dad lesbian
frank: ur granny tranny
*nothing happens *
andy: ur brother loves ur mother
*universe collapses, andy rises in heaven, frank gets raped by his brother AND his mom in hell*
by uruncleraper69 March 13, 2018
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