Knife Sister

A sexual act between two females in which each woman's ”Big Toe” is entered into the others vagina simultaneously As an act of camaraderie or partnership.

I heard those two were Knife sisters...

by Temptation Jones March 1, 2020

Sister Universes

OPE! OPE! THERE IT IS SABINE!

Hym "SISTER UNIVERSES SABINE! QUANTUMLY ENTANGLED SISTER UNIVERSES! That would explain the memories of the future Sabine! I don't know what that means for my perfect immortality but... ULTIMATE THEORY! ULTIMATE UNIVERSE THEORY!"

by Hym Iam March 9, 2025

Sister mary koont

a fat fucking nun with a loose pussy

wow she's a real sister Mary koont

by Harry Welham August 5, 2018

My sister in law

Someone who’s a whore.

My sister in law married my brother. She is a whore, I bet she doesn’t know who their kids fathers are because let’s face it, she’s a nasty loosy whore hoodrat tramp.

by Bawston69 August 10, 2020

hanivals sister

the hottest person you will ever meet

look its hanivals sister

by hanivals sister November 27, 2021

moon sisters

two friends who have fucked in the same room as one another

“omg we became moon sisters last night!”

by katiemeade_10 March 24, 2022

sister time

The period or time to spend time or keep company with a sister.

We need to have sister time.

by Ritacca March 24, 2023