Satan's Sister

The maniacal mastermind who is female and more diabolical version of Satan.
Sophia is really acting like satan's sister with the way she interfered in her parents divorce.
by shaggydog123 September 07, 2021
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marist sisters woolwich

a place to learn and grow
i go to marist sisters woolwich. where do you go
by champagnemami1234 February 17, 2022
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The Sister Switch (T.S.S)

The sister switch also know as the roomate switch because it applies to roomates and sisters. You find out your girlfriend’s sister/roomate is the more desireable one and you want to switch. How you do it is you suggest a threesome with the sister/roomate to your girlfriend and she is so appauled by the idea she kicks you out. She later vents about to the other and she is secretly flattered why giving fake sympathy. You wait until you girlfriend is at work and you call the sister/roomate. You get past the awkwardness then you ask her out.

There is an alternate scenario where your girlfriend is into it and the sister/roomate is too. In this case you either are very lucky or offered to aide in incest where you are expected to decline.
S6 EP12 of Seinfeld Jerry attempts The Sister Switch (T.S.S) with his girlfriends roomate and gets offered threesome and declines because he’s secretly gay.
by uvogin August 23, 2023
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A kevins sister

A really good looking girl that's beyond anything you've seen before.
Would you look at that girl?! She's a kevins sister for sure.
by Dickhandler6999 May 12, 2025
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Sisters underwear

Me: What’s up man?
David: I’m good
Me: Same and I’m wearing my sisters underwear
David: Why?
Me: I need it so I can pleasure myself
David: Oh, so can I see them now?
Me: Silk and fancy
David: So smooth
Me: Sisters underwear feels so go, pleasuring time
by Cultistmania June 10, 2023
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Fortnite Sisters

People who only hangout or talk to eachother at school or workplace.
Bro those girls are such fortnite sisters!
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slug sisters

Two women who have had sex with the same man and remain or become friends.
Julia and I knew that someday we would become slug sisters. We just didn't know that it would be with Mikey, although neither of us were surprised.
by Misster8 January 02, 2018
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