scotts sister

A co-workers sibling that you would have sex with just to make things uncomfortable at your work.

I wanna bang scotts sister before the next safety meeting.

by warsquirrel July 20, 2016

sister data

Sharing your info (if you are a girl)with your sister.

Hi sis i need a private talk with you i wam going to give you some sister data .

by Earth Worm Sally May 15, 2018

Head sister

When you and your best friend get scooped by 2 dudes at 3 AM and yall don’t have anywhere to go so you guys pair up in the car (front seats and back seats) and give suck dick together

“Omg that makes us head sisters!”

by boh bhiiii May 22, 2019

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

sister johosph

refering to ancient times of an old nun, capable of jacking off her husbands small bald genatalia, but having ones husband stolen from sibling, aka mean catholic skool bitch: see steve guinta

god damm why does my teacher have to be such a sister johosph

by steven guinta (lmfao travis...head ache, u kno ) October 15, 2003

Tyler’s sister

A girl who will be down to do anything you ask her.

When I’m the mood for some kinky stuff I will call Tyler’s sister

by Butterscotch daddy June 16, 2022

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