your ma's your sister

dismissive insult. implies incest in the person's family and links to travellers.

shut up! your ma's your sister!

by hepburn May 14, 2008

Your sister fist her

This is calling your sister a hard lesbian
your mom gay, your dad lesbian, your granny tranny, Your grandpap a trap, Your uncy funky are nothing compared to this

Person 1: ur mom gay
Person 2: your dad lesbian
person 1: your grandpap a trap
person 2: your uncy funky
person 1: your sister fist her
person 2: slowly melts

by Who_really_knows May 11, 2018

National Slap Your Sister Day

On October 25th you can slap your sister all you want and you won’t get in trouble.

Hey why is your sister crying

Because I slapped her for National Slap Your Sister Day

by boppotheclown October 24, 2020

National slap your sister day

July 24 you can slap your sister

Hey its national slap your sister day, go ahead.

by alpha alpha alpha July 24, 2021

i like your sister

Used in speech when talking to some ugly girl, but their sister is hawt. Only use this when the ugly girl is making advances on you.

I like your sister, but you are an ugly bitch.

by AdolfHitler'sBastardSon May 11, 2016

your sister looks like a wookie

Like it sounds. Also the name of a song by the band called Analy Inserted Angle Grinders from Dominic College in Tasmania, Australia.

OMFG YOUR SISTER LOOKS LIKE A WOOKIE(Insert chewbacca noise here).

by Some guy from Dominic College. September 29, 2008

National slap your sister day

Slap your sister today!

July 24th

National Slap your sister day is today!

by Himynameiskyle July 24, 2021