half-co-sister-in-law

Spouse's half-sibling's wife.

half-co-sister-in-law.

by Simaduria July 27, 2024

sister-husbands

Sister-Husbands
Pronunciation: SISS-ter-huz-bundz

Noun

A pair of people so mentally and emotionally in sync that they finish each other’s thoughts without even trying, yet still manage to fuck each other properly over time.

“Those two debate would skip coffee and then argue about pineapple on pizza while having sex on a public beach—they’re total sister-husbands.”

by bestbethedefinition October 3, 2025

Shit sister

I have a shit sister, means to have a sister that's like a stranger to you.

Me: I have a Shit sister
Friend: oh damn want a new one??

by Nellie45 November 22, 2022

Sister

If you mess with one sister, the other is always right there to kick some mother fucking ass. Sisters are for life. Don't fuck with one, because you are sure to having to deal with the other crazy bitch

My sister is insane

by TomlinsonCRB October 8, 2017

Big Sister

A big sister is a little sister that has grown up, and is no longer capable of collecting Adam from corpses. They are in a deep sea diver suit, just like a Big Daddy. They are able to use Plasmids, and have a large needle to take Adam and transfer it into themselves.

Eleanor: If I can survive, I’ll need to become like you. I’ll need to become a big sister.

by n_u_m_l_o_k September 29, 2020

china sisters

Two women who are under normal circumstances heterosexual, share intimacies envolving genitalia.

Andrea and I are China Sisters after last weekend. I went down on her, and she went down on me.

by MikeNaz August 27, 2017

Sister

This type of sister isn’t your actual sister, this is a language! James Charles language duh. Just put Sister before any word that starts with “s”

“Sister shook”
“Sister soup”
“Sister slayed”
Etc

by THICK BECKY January 27, 2019