Sister Exposed 

When a person is exposed with all his lies. (Usually with enough evidence)
This was from internet slang culture followed after James Charles.

-Yo, she has broken up with him.
-why?
-Someone has sent her Screenshots of his and flings's convo.
-Oof, Sister EXPOSED

Sister Exposed by LOLsInChinese December 14, 2019

sister shnew 

sister sleepover

let’s have a sister shnew tonight?

let’s have a sister shnewsy !!

sister shnew by the real shnew April 26, 2021

sister from another litter 

An animal's sister who was born in a different litter than them.

We have two dogs, Chomp and Sarah, Chomp's sister from another litter.

My cat Her Majesty met her sister from another litter, Esmerelda.

sister from another litter by Aunt Tifa Lockhart November 1, 2022

Sister cousin 

Female cousin

Sister cousin is the nicest I love her sissy

Sister cousin by 459395 April 3, 2023

sister crush 

When you like her like she's a sister but you lowkey like her because she's a crush.

Hey Briee I lowkey have a sister crush on you. But I don't LIKE you.

sister crush by Brieetree October 10, 2016

sister zoned 

When a hot guy refers to you as a "little sister" because you are younger than him or/ and "innocent" compare to the shit he does; similar to friend zoned in that you're seen less than what you wanna be but yall still remain good friends but he just sees you as a little sibling

"...Yea Elizabeth is like my bestfriend too, actually my little sister... CUZ SHE'S 14 lmao!"
"Damn Taylor you just got called "little sister"sister zoned by James haha"

sister zoned by ttbitch May 13, 2016

sister did that 

when your bff does some crazy impressive shit.

Friend "Jasmine sucked off two guys at once yesterday"
Me "SISTER DID THAT"

sister did that by Laurnoodles September 4, 2017