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

sister-in-law

1. The wife of one's brother.
2. The sister of one's spouse.

My sister-in-law is a good person.

by Elivaldeq November 24, 2019

cycle sister

When you’re so close to your girls that your periods sync up. You become cycle sisters.

Bae we both need a tampon because we’re cycle sisters. Love you bae.

by S Cal January 18, 2019

Kyle's Sister

Kyle's sister likes all men

Kyle's sister is a milf

by Urmansminehunny September 2, 2019

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

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

Vag sisters

When two women or more are inseperable; you may find these women near each other almost all the time.

Example: wow Sara and Sylvia are always together it's like they are vag sisters

by Silver Wolf654 December 29, 2019