National Sister Day

Sisters

Happy national sister day fav love you.

by Theyluvjadee October 7, 2021

half-sister

Female person who, in relation to the other, has a one parent in common and a different one parent.

My half-sister is a good person.

by Usery May 3, 2021

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

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

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

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-in-law

1- Sibling's wife.
2- Spouse's sister.

My sister-in-law is a good person.

by Wonbig October 13, 2021