Sister

Sister means the most annoying person on planet earth.

Sisters are annoying

by hoya guys 123 November 19, 2021

moon sisters

two friends who have fucked in the same room as one another

“omg we became moon sisters last night!”

by katiemeade_10 March 24, 2022

iggly sisters

When two girls have slept with the same guy they are classed as 'iggly sisters'

"Wait you slept with him too that means we are iggly sisters"

by Spiersy116 June 27, 2017

sister time

The period or time to spend time or keep company with a sister.

We need to have sister time.

by Ritacca March 24, 2023

co-sister-in-law

Spouse's sibling's wife.

co-sister-in-law.

by Simaduria July 26, 2024

Younger sister

The baby your mom gave birth to who isn't you. The one who is sometimes a curse, and sometimes a blessing.

Person 1: My younger sister photobombed me and now it's a meme, and a sticker!

Person 2: It's a gif, too!

Person 1: Oh boy, there goes the rest of the schoolyear.

Person 1: Who spread this rumor about me!?!?!?

Younger sister: Kat!

Person 1: Thank you! I'll tell her to take it down.

by DJ Laguna November 14, 2023

sister car

When somebody on your block has the same exact car as you, including paint color

I thought somebody had stolen my car and parked it up the block, but it was a sister car

by jevanyn July 5, 2018