One of the more gritty underground roasts, please use with extreme caution. May cause recipient to go into an anaphylactic shock, epileptic fit and or straight up seizure. Other side effects which have been known to be a consequence of this insult includes full-blown autism or an addition of a chromosome.
Sarah: Your mother is a child-beating, cheap whorewho has achieved nothing manage to trap a man to have a child with her, a massive mistake... you. That mistake is you, you unloved virgin.

Janet: your sister a mister lol

Sarah: *Develops autism and literally fucking dies from her throat closing up*
by Joey Gobbless March 23, 2018
Get the your sister a mister lol mug.
An insult that has the same effect as your mom gay.
Friend 1: Your Mum Gay
Friend 2: Your Sister Mister
Friend 1: *Dies From the Insult*
by Nickable March 19, 2018
Get the Your Sister Mister mug.
Worse than “ur granny tranny” or “ur brothers a mother”. Every time this is said, the victim will implode into a ball of guts then blast into a shower of blood.
Joe: “Your gay.”
John: “Don’t make me do it.”
Joe: “Do what, pussy?”
John: “You’ve taken it too far.”
John: “Your sisters a mister.”
Joe: *Implodes then blasts out covering the walls in a red layer of blood and guts*
by ThatGuy286437 March 25, 2018
Get the Your sisters a mister mug.