toxic oldest sister

When ur older sister becomes an alcoholic/drug addict who is responsible for the collapse of their own social life and cant take care of their own kid because theyre too busy ruining friendships and familial bonds because they block you on social media and dont visit anymore :)

ahahaha my toxic oldest sister blocked my teenage sister on facebook today!

by ch!lly October 7, 2021

National Sister Day

Sisters

Happy national sister day fav love you.

by Theyluvjadee October 7, 2021

sizzle sisters

a popular girlband.

made up of carley, lori, and merrily.

“wow, have you heard of the sizzle sisters?! they’re so cool, but they need a drummer!)

by red apple ice December 30, 2023

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

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

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