toxic oldest sister

When ur older sister becomes an alcoholic/drug addict who is responsible for the collapse of their own social life and cant take care of their own kid because theyre too busy ruining friendships and familial bonds because they block you on social media and dont visit anymore :)

ahahaha my toxic oldest sister blocked my teenage sister on facebook today!

by ch!lly October 7, 2021

half-sister

Female person who, in relation to the other, has a one parent in common and a different one parent.

My half-sister is a good person.

by Usery May 3, 2021

colon sister

When you and a friend are pooping at the same time, but don’t know it.

Ali: I just pooped
Player2: Me too!

Ali: No way! Colon sisters!

by yungshauzzie67 September 19, 2025

WaterChestnut Sisters

The meaning of WaterChestnut Sisters is another term for third sisters. It is when you become a certain age; most normally 10 or before a teenager and you’re guardian tells you that you have a WaterChestnut Sister.

“Oh my god guys, I just found out I have a WaterChestnut Sisters!”

by google.com// October 26, 2020

sister dear

The term used for when someone is completely jealous of their sister or when someone hates their sister.

"Does she send nudes"

"No, sister dear is too perfect for that"

by Ima Dragonfly August 6, 2017

Sister Fister the mister kisser

Your dad

My dad is a sister Fister the mister kisser

by JOHN INTERNET GOOD December 17, 2021

stabbin sisters

Two women who have slept with the same man. The female version of Eskimo brothers.

Nikki and Tina are stabbin sisters

by Bradley2007 October 6, 2021