three-quarter-sister

1- Daughter of mother and of uncle (father's brother) simultaneously.
2- Daughter of father and of aunt (mother's sister) simultaneously.
3- Cousin and half-sister simultaneously.

Three-quarter-sister.

by Chupite November 20, 2024

everetts sister

A white girl who says the N word

did u hear about everetts sister

by biastitan495 April 23, 2019

radiator sister

A woman who is a little rough around the edges but like a radiator in that she radiates or emits light, heat, & sound.

I like her style, she's definitely a radiator sister .

by MoreDirtyHarryThanGirl April 21, 2018

Beat up your sister day

You've always waited for this moment but you never had the occasion, now you do

Oh where are you sisteeeer, its timeeee, today is beat up your sister day

by Martichucho August 7, 2022

Step-Sister

A step-sister is when you get a handjob while behind the wheel of a right-side driving vehicle in ‘Merica!!

I just got my new SUV from London, my girlfriend gave me a ‘step-sister’ the first time I drove it in America!!

by T-town Gibby March 21, 2025

Sister in flaw

When your sister in law thinks she has diving board skills and can't even pull off a front flip.

You should of seen my sister in flaw embarrass herself at our subdivision pool.

by Webster 57 July 31, 2022

Sister Fister the mister kisser

Your dad

My dad is a sister Fister the mister kisser

by JOHN INTERNET GOOD December 17, 2021