sister

Female that has two parents in common with another living being.

Sister.

by Simaduria July 26, 2024

sister

a senior female nurse, typically in charge of a ward.

"the ward sister needs to be consulted"

by Arminkshipper July 27, 2024

Sister

Someone who sells all your Pokémon cards when you're a kid

"I used to have a 1st edition Charizard when I was a kid, but not anymore..." "sounds like someone with a sister to me"

by Meltyguy May 2, 2024

Sister

The fucking girl you hate, but need, and you love that fucking idiot.

My sister loves ice cream.

by hgfhiohjrigoesra May 7, 2024

Sister

A gay man who isn’t masculine.

Gay: 1: omg look he’s so cutee *shows pic*

Gay 2: oh girl he’s a sister..

gay 1: what?? He doesn’t even look like one..
*blocks to avoid bumping purses*

by Bakesbykay March 7, 2025

Sister

The person that people think are the best people ever but really just make their older brothers their slaves. Loves to blackmail and tattle on you.

Sister: Gimme ice cream
Me: Nah go get your own
Sister: Imma tell mom about you saying the f word
Me:ok ill get u ice cream

by Lil’ Bad Boi May 14, 2025

Sister

Usually a wild or untamed animal, capable of anything. You must steer clear of their path otherwise you will meet your demise. Pack quite a punch at times of anger.

Your sister destroyed the universe, oh no.

by Definiety.com November 15, 2025