ur sister a mister

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*

by shsshellysdick May 10, 2018

ur sister a mister

Ultimate insult, it WILL kill you, watch out! Can only be blocked with a reverse, mirror, or a no u.

Jon: Ur sister a mister.
James: No u
Jon: *Double dies*

by Drillby May 11, 2018

ur sisters a mister

An insult that you can use instead of ur mom gay or ur dad lesbian.

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*

by Franklin521 May 28, 2018

Ur sister a mister lol

When some hits you with the ur mum gay you use this and dominate them

Bitchman: Ur mum gay lol
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

Ur sister my mister

this will always beat ur appoinent. this cannot be reversed by “No u”

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

by Slap Razor April 4, 2018

ur sister a mister

An insult more powerful than "ur dad lesbian" but not as powerful as "ur granny tranny"

"ur dad lesbian" Jerry said to Leo
"ur sister a mister!" Leo responded
*Jerry dies*

by Grendman May 14, 2018

Ur sister is a Mister

Infinite times worse than ur mom gay

Dave: Ur mom gay
Kieth: Ur sister is a mister

*alternate reality gets destroyed*

by Big Sex 2678 March 12, 2018