Transcends all ur mum gay variations. They all cower in fear at the use of this phrase. If used against someone they will pass hell and go straight into the plane of non-existance, where nobody will ever remember you.
Brenda: ur mum gay
Chad: ur daddy lesbian
Brenda: ur sisters a mister
Chad: ur brother a mother
*Brenda instantly stops existing*
Chad: ur daddy lesbian
Brenda: ur sisters a mister
Chad: ur brother a mother
*Brenda instantly stops existing*
by Nia Manderson-Matheson May 11, 2018
Get the ur brother a mothermug. An insult typically used by 17 to 19 tryhards. Usually when they are losing. This is also one of the worst insults ever and whoever you tell this to will have something bad happen to them.
by MemoliLover May 30, 2018
Get the Ur brother a mothermug. Like the other types of sick burns (ur mom gay, ur dad lesbian, ur granny a tranny, etc..) this is a new burn that superspooon came up with on ifunny
by SpoonKing May 13, 2018
Get the Ur brother a mothermug. The most insulting shit you could say to someone as soon as you call someone this insult they will instantly die and you will claim there soul
by Penis aids 96 June 5, 2018
Get the Ur brother mothermug. Its the deny to ur sister is a mister
Carl: ur mom gay
Richard: ur granny tranny
Carl: ur sister a mister
Richard: Ur brother are ur mother
**Carl dies and go to extreme hell**
Richard: ur granny tranny
Carl: ur sister a mister
Richard: Ur brother are ur mother
**Carl dies and go to extreme hell**
by IdoFunStuf March 17, 2018
Get the Ur Brother are ur mothermug. The biggest roast of all time. Ur mom gay, ur dad lesbian, ur grandmammy tranny, ur grandpap trap, ur sister mister, no u are all inferior.
oofer: ur mom gay
pleb: ur dad lesbian
oofer: no u
pleb: ur grandmammy tranny
oofer: ur sister a mister
pleb: ur grandpap trap
oofer: but ur brother a mother
pleb: *instantly in hell*
pleb: ur dad lesbian
oofer: no u
pleb: ur grandmammy tranny
oofer: ur sister a mister
pleb: ur grandpap trap
oofer: but ur brother a mother
pleb: *instantly in hell*
by Dropped My Idiot February 1, 2019
Get the ur brother a mothermug. "Ur brother a mother" is a step up from ur dad lesbian. Every time these magic words are said, we as a species traverse deeper into the he'll hole known as extinction.
Assmeister43 : ur mom gey
Kermit_1h3_D: ur dad lesbian
Assmeister43: no u, ur brother a mother
*kermit's house would explode, killing him, and any family inside*
Kermit_1h3_D: ur dad lesbian
Assmeister43: no u, ur brother a mother
*kermit's house would explode, killing him, and any family inside*
by Waus June 11, 2018
Get the Ur brother a mothermug.