Sassy Sister

That one friend that is sassy and annoying but is also the best!

Bsf 1 - She's soooo sassy
Bsf 2 - yeah cause she's a SASSY SISTER?!?!

by duuuuuuuuudeee November 7, 2019

Sister munning

fitty and very good in bed, tight as a clamp

I really wanna smash sister munning tonight

by Penis12354 July 1, 2021

Sister Mom

A mother to one or more children with a best friend who may or may not also have children. They do not live together but can call on each other at any given point to step in. They have complete confidence that other mom will do as great or better as they can.

"Her sister mom picked up the children and took the kids to practice while she was stuck at work"

by MomInDe May 9, 2022

Kyle's Sister

Kyle's sister likes all men

Kyle's sister is a milf

by Urmansminehunny September 2, 2019

Evil Sisters

A set of sisters that act and look the same, known for being mean and malicious. They are not necessarily related

Bro stay away from the Rivera’s those two are evil sisters

by Bob Pham June 11, 2020

dildo sisters

Dildo sisters are two girls who use a double-sided dildo at the same time and have a great time

Damn I heard those chicks are dildo sisters

by Thugbeats801 May 31, 2017

swisher sister

Girls that have given the same guy a bj

They both dated him and sucked his dick. They're swisher sisters

by Justkidden August 8, 2017