sister

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

Sister.

by Simaduria July 26, 2024

Ender's sister

When a gamer's parents attempt at having a better child than the gamer and it dies before being born.

"Hey, have you taken money from my wallet?"
"Your money is as existent as Ender's sister."

by Elroids December 29, 2019

courtesy sister

A friend(no 'benefits') who's so close she's like a sister, or just is the mother of someone who calls you Uncle. (could be a former sexual partner, but who is only a friend now)

How many siblings do you have?

Well, I have 2 brothers, 2 sisters from my mom, & a half brother from my dad, & a courtesy sister I stilll keep in touch with.

by cyberpope67,BC,Canada May 2, 2021

Date your fake sister day

December 5 is the day you should say your fake sister and if y’all like it then y’all should date fake sister or fake brother go for it ! I mean try summ new!!

“It’s December 5 date your fake sister day”

by Lowkeykeen December 4, 2020

Algo Sisters

When two women have similar enough interests or tastes that they end up on the same advertising algorithm resulting in them regularly buying matching items unbeknownst to the other

Girl, I have that same dress. SHEIN ad hit you too? I knew it. We are Algo Sisters!!!

by MIDASG April 26, 2025

Teenage Little Sister

An annoying, moody, dramatic, little baby. Usually hard to deal with. Wildly insecure, cries far too much, cares only about looks and boys. This newer version of little sister comes with some cons:
-Emotional
-Insecure about everything
-Is 'always' right in there eyes
-Thinks she is ugly although multiple boys have had crushes on her in the span of a year.

You: Hot dog! Carson's sister is sure a teenage Little sister.

Carson: what the (CENSORED) does that even mean

by Harry Tessa Tickle III December 3, 2022

half-sister

Female that has one parent in common with another living being.

Half-sister.

by Simaduria July 26, 2024