sister wooer

A man who typically gets together with his girlfriend/ wife's sister (before they get together that is otherwise we wouldn't really call him a man)

OMG, he made out with Jane's sister right before they got married, he is such a sister wooer.

by janedoeanon March 29, 2015

sister slap

A sister slap is a slap that may be administered by an older sister to a younger sister, when said younger sister is acting a fool

Yo, my younger sister got a speeding ticket so I gave her a sister slap...across her face

by Louroo October 20, 2013

calendar sisters

Female friends who have gone on a date with the same person.

Michelle and Lauren found out that they are calendar sisters both having gone out with Gary two weeks apart.

by Tastiest Avenger September 11, 2023

Sister Shooooooooock

surprised AF. weave snatched.

im sister shooooooooock.

by unicornlover24 February 26, 2019

eskimight sisters

A variation on eskimo sisters, referring to two women who ALMOST had independent relationships with the same person.

Wait, you almost slept with Jared? That almost happened to me! We're eskimight sisters!

by djrockinron_95 May 30, 2018

Ugly sister

has a butt for a face.

I have an ugly sister, called Amber.

by wampummmmmm May 26, 2020

Boner sisters

A group of girls who had sex with the same guy.

"- Did you hear that Vanessa banged your ex?"
"- Yeah, I guess we're boner sisters now."

by Sadik Arno December 21, 2014