Definitions by Slap Razor

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

Ur sister my mister by Slap Razor April 4, 2018