Sister Slammer

When you and bro have sex with a set of sisters.

Mark- Mikey, you fucked Cheri, right

Alex- {Hell} yeah I did.
Mark- Good, I fucked her sister. Put it here my sister slammer.

by H7476 October 28, 2017

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honey sister

When someone is a closet lesbian this is what they refer to their secret lover or "friend" as.

"Hey everyone this is Jessica, we are like sisters!" Jessica: "Yea, we are totally honey sisters."

by ButtMuffeen November 1, 2017

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elevator sister

A sister or sibling that is your dads but not your moms.

hey have you met my elevator sister

by gaye/marshmallow_king February 14, 2017

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Sister Katie

An annoying hawt BFF girl names Katie who likes being addressed like a nun.

Girl 1: Hey look it’s sister Katie

Girl 2: Omg I knew a sister Barbra back in the 30s.
Girl 1: yea she’s weird and stupid and annoying but gorgeous.

Girl 2: I wish we could all be like sister Katie. Also have you seen her bestie?
Girl 1: Omg!! Who I thought she was lonely and had no friends. Because she acts like a nun.

Girl 2: Her name is Sister Audrey.

Girl 1: Omg I thought Sister Audrey was only a legend, but she is real and hawt.

by Sister69 July 16, 2021

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Slut-sister

Girl in your close circle who only sleeps with guys others in the group have dated.

That's Becky. She has slept with all our ex-boyfriends. That’s we call her our

slut-sister, but we love her unconditionally.

by Blkprep August 19, 2021

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Sister Ex

Your ex's ex with whom you have become friends. The friendship starts out as a trauma bond, swapping stories and comparing notes on the dude's lies, cheating, and manipulative behavior, and evolves into a genuine sisterhood.

I'm getting together with my Sister Ex on his birthday to wish him a year of pain and misery.

My sister ex confirmed he was cheating on her with me when we met.

by ElJanel November 6, 2023

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