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

National pretty sister day

It’s not thing but now it is soo…

Sister:I got its National pretty sister day

by Tdcgtfvvgff July 26, 2021

Sister

Friends who stuck together,spill tea, talk about snacks and snakes.

Hey sister what are we doing today!

by Ashleyr 69 March 13, 2018

sister

Girl or woman who has the same two parents in common with someone.

My sister is a good person.

by Mr. Jacov November 23, 2019

dance sisters

Team mates or dancers that are very close and are a second family to each other sometimes even closer than regular family and friends.

Ive known my dance sisters for 5 years and were the closest ever

by Dancer247 April 16, 2020