co-sister-in-law

Spouse's sibling's wife.

co-sister-in-law.

by Simaduria July 26, 2024

A kevins sister

A really good looking girl that's beyond anything you've seen before.

Would you look at that girl?! She's a kevins sister for sure.

by Dickhandler6999 May 12, 2025

eskimo sisters

when you and ur friend kiss the same guy

sarah-“we kissed the same guy” jess-“omg we r eskimo sisters”

by penis tip 27 January 14, 2022

slug sisters

Two women who have had sex with the same man and remain or become friends.

Julia and I knew that someday we would become slug sisters. We just didn't know that it would be with Mikey, although neither of us were surprised.

by Misster8 April 23, 2018

Sister

Your best friend really you couldn't live without her sometimes you might not like her but that is ok

i couldn't live without my sister she's amazing

by Micheal.jackson May 12, 2021

Amethyst (Ruby's Sister)

Amethyst is Ruby's sister.

Guy#1: Amethyst is ugly.

Guy#2: You mean Amethyst (Ruby's Sister)

by BuddyMaddie April 3, 2022

older sister aunt

A person which is not blood related to your family, but acts like both an older sister and a cool aunt. She fits right in to your family as if you are blood related.

Lara is our older sister aunt.

by ohlala1010 June 30, 2021