Sister

You not my friend, you are my sister.

I love you sister.

by Nadiariincon July 10, 2018

Oyster Sister

Two girls that have slept with the same guy

Emily and I both slept with Phil. We are now Known as oyster sister !!

by ChristyG October 26, 2019

sister-in-law

1- Sibling's wife.
2- Spouse's sister.

My sister-in-law is a good person.

by Wonbig October 13, 2021

Sister Jonathan

Sister Jonathan is a nickname for Jon Guelas , member of the english band United Vibe , that has been gaining popularity between fans of the band and also with some of the X Factor 2018 members.

Giovanni Spano: "We need sister Jonathan. Do we? Okay. "

by sister 5.0 November 3, 2018

Karen's Sister

One who gets offended on Karen's behalf.

"Wow that woman was such a Karen"
"Um, excuse me, I have a sister named Karen and you should stop using that word."
"Don't be such a Karen's Sister."

by MrMcMander November 20, 2020

half-sister

Female that has one parent in common with another living being.

My half-sister is a good person.

by Sonyc September 22, 2023

Eats his sister

A euphemism for incestuous behavior, usually oral sex, with one’s sister.

“Alexander eats his sister every night.”

by RhodyRhodesRhodesia October 27, 2021