Surprise Sisters

When two friends randomly text each other or shout “Surprise” at any moment.

“Hey Morgan, guess what?”
“What is it?”
“SURPRISE!”
“Yassss Surprise Sisters!”

by All The Tea Sis January 27, 2019

Sister Rodeo

When you are having sex with a woman doggystyle, you gently slide your thumb into her anus, then say, “I fucked your sister last night.” You then hold on for as long as possible.

Josh was having sex with Brandy, he broke the news of his last week’s infidelity with her sister Britt and had a sister rodeo.

by Nipple Knockers July 15, 2022

Sister switcher

A boy who dates/talks to a girl in an apartment, but after the relationship has ended, proceeds to date/kiss/pursue said female's roommates.

See also homie hopper

Roomie 1: I'm so over that fool.

Roomie 2: I made out with him..
Roomie 3: Me too...
Roomie 4: THAT BOY IS A SISTER SWITCHER.

by Piriguetinha May 20, 2016

ovary sisters

Best friends that are so close that they've synced and are on the same cycle

Nikki and Emily are so close. They're obviously ovary sisters.

by E-rocc August 11, 2017

sister tax

when a brother causes dissatisfaction or disappointment towards a sister, so the brother must compensate for such behavior through a requested action from the sister.

mother: "go clean your room"
brother: "i'm not helping you."
sister: "sister tax, you have to clean a quarter of my room"
brother: "fine"

by hikikohardcore April 2, 2023

Sister Kenna

A spicy sister. She is a clumsy sister and all she wants is tea, spicy food, and she loves boys. Watch out for her because she'll steal your man, but she'll fall while doing it... whoopsie.

"Omg! Sister Kenna is queen! She will sister snatch all of our mans!" "Wow, guess what Sister Kenna just said. 'This ain't a race but I still take first place!' isn't that just sister stupid?" "Ugh, Sister Kenna fell again..."

by Dancer.com November 7, 2018

chads sister

Molly

Hey look theres chads sister.

I dont know her name tho.

by Irsplinky December 19, 2016