my sister

A person that I have to share a bathroom with. She’s also a girl?

Joe: Ugh man my sister is so hot.
Dan: •_•

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 did that

when your bff does some crazy impressive shit.

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

Sister Scandal

James Charles and Tati’s (non-existent!) relationship.

Or, how Tati’s forty minute long video completely destroyed James Charles’ makeup career.

So, spill the tea.
Did you hear about how James Charles lost 1.5 million subs?
I knooooow. What a sister scandal!

saliva sister

To be related to another girl through a third party's saliva.

Steff: OMG! I totally made out with that guy last night!
You: So did I!
Steff: We are saliva sisters now

Surfer Sisters

When you and your friend realize you have both had sex on the same bed or in the same bedroom, but each of your sexual conquests occurred at different times.

"You hooked up on Katie's futon too?!"
"Yeah, last year. Oh that makes us surfer sisters!"

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.