my sister

your sister

i love my sister

by lewisgamer6 March 5, 2022

sister fucker

Someone who is extremely based.

"Man, that guy is so cool. He has got to be a sister fucker."

by treehugger_ September 21, 2025

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

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

Anna Sisters

An Internet form of describing a Person or People with Eating Disorders. The "Anna" in this sense is Anorexia. Anna Sisters is bringing light to a consistent problem with Celebrities and eating disorders and other Mental Health issues as a normal occurrence which some internet users(specifically on TikTok) have cited that younger more impressionable people will follow in their foot steps because they see it as a Trend.

Bro I noticed the Neighbors down the block looked very skinny and sicky, You can't tell me they're not Anna Sisters!

by BardicPurple November 27, 2025

Salmon sisters

Two female participants in a male-female-female threesome who find the male’s endurance, performance, and/or skill unsatisfactory and ultimately resort to pleasuring one another.

Salmon sisters: After a disappointing threesome, both Jane and her salmon sister came to realize they prefer female pleasuring.

by Flat Cat November 30, 2025

Spit Sisters

A spit sister pact involves two females and is similar to a blood brother pact. It consists of two girls kissing to symbolize becoming sisters, not by blood.

The two girls become spit sisters after they kissed and exchanged saliva.

by UCMCtagteamer December 12, 2025