even worse than ur granny a tranny. If someone says this, the world literally stops and everyone dies.
Zucc: ur mom gay
Steven: ur daddy lesbian
Zucc: ur granny tranny
Steven: *only slightly offended* ur sister a mister
Zucc *literally fucking dies along with everyone else except for Steven*
Steven: ur daddy lesbian
Zucc: ur granny tranny
Steven: *only slightly offended* ur sister a mister
Zucc *literally fucking dies along with everyone else except for Steven*
by shsshellysdick May 10, 2018
Get the ur sister a mistermug. Ultimate insult, it WILL kill you, watch out! Can only be blocked with a reverse, mirror, or a no u.
by Drillby May 11, 2018
Get the ur sister a mistermug. Bob: Hey Steve ur mom gay
Steve: Oh yeah? Well ur dad lesbian
Bob: Ur sisters a mister
Steve: *all brain cells explode and Steve fucking dies*
Steve: Oh yeah? Well ur dad lesbian
Bob: Ur sisters a mister
Steve: *all brain cells explode and Steve fucking dies*
by Franklin521 May 28, 2018
Get the ur sisters a mistermug. Bitchman: Ur mum gay lol
Dickface: (is unaffected) ur sister a mister lol
Bitchman: *digs his own grave and lies in it*
Dickface: (is unaffected) ur sister a mister lol
Bitchman: *digs his own grave and lies in it*
by Big fucking anime titties October 27, 2018
Get the Ur sister a mister lolmug. person1:ur mom gay lol
person2:ur dad lesbian
person1:No u
person2:ur granny a tranny
person1:ur grandpap a trap
person2:ur brother a nun
person1:but ur sister my mister
person2:EXPLODES into dust and goes straight to hell
person2:ur dad lesbian
person1:No u
person2:ur granny a tranny
person1:ur grandpap a trap
person2:ur brother a nun
person1:but ur sister my mister
person2:EXPLODES into dust and goes straight to hell
by Slap Razor April 4, 2018
Get the Ur sister my mistermug. by Grendman May 14, 2018
Get the ur sister a mistermug. by Big Sex 2678 March 12, 2018
Get the Ur sister is a Mistermug.