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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Stall Sisters

Ones (usually always girls) who may, or may have sexual encounters in a public - bathroom stall or public bathroom, in a public place. They do this because: they probably don't have any where else to go; it could be the quickest place to go at that time. Or their just that much of a dirty slut (smut), that they just have to "get it in", & it doesn't obviously matter where they have sex; as long as they get it over with.
Girl: "Whatever, they're Stall Sisters anyway. (;"
Girl's Bestfriend: "Oh, yeah ? Haha, whats that ?"
Girl: "Loretta fucked in a b-stall. Elaina looks like she was born in one. & Lacey smells like one. Therefore, they're Stall Sisters !"
Girl's Bestfriend: "Lmfaaaao !!!"
by michel3iisd0pe15 November 26, 2010
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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 17, 2021
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flamingo sisters

a group of girls who need a break away from the hubbys and kids...
a gang of girls who calls them selfs the flamingo sisters
by a flamingo sister July 19, 2006
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Kyon's Sister

Kyon's sister is a 6th grade student. Her real name is unknown, not even a nickname. As her name suggests, she is the younger sister of Kyon. She spread around the nickname "Kyon" and caused everyone to call him that. She is known to the SOS Brigade as "Little Sister".
we finna raid area 51 and get Kyon's Sister real name
by Gumzx February 19, 2021
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italian sister

When you receive a blowjob from a dude in the dark with a mustache but it doesn't count as being gay because you cannot see it.
by The real White Fury October 07, 2017
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Spear Sisters

Refers to two women who have slept with the same man.
Woman 1: how'd you score those free drinks?
Woman 2: the bartender and I are spear sisters.
by Picklesandbacon June 11, 2015
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