full sibling

Person who has the same two parents in common with someone.

My full sibling is a good person.

by Mr. Jacov November 23, 2019

sibling switcher

when someone dates one sibling, they break up, then the person dates their brother, then on and on with the family like how a homie hopper jumps homies, but it's siblings

"Dude he's such a sibling switcher, he dated me now he's with my brother"

by raymond ramen December 3, 2022

half-sibling

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

Half-sibling.

by Simaduria July 26, 2024

lee siblings

They're the best siblings in the world, like the Oxford dictionary said "Lee Siblings : the best siblings. If you want to call your siblings goals, use Lee first."

"I have a Lee Siblings. They're goals af."

by Jejujo July 10, 2017

Sweet Sibling Sunday (SSS)

As we all know WCW or MCM we now have SSS (Sweet Sibling Sunday). This is a day where you post your siblings high or low, goofy or not... we dedicate this day to our siblings :)

SSS to my bro bro

Sweet Sibling Sunday (SSS)😁 to my sis... I hate you

by Clingyness I diss October 18, 2020

co-sibling-in-law

The spouse of one's spouse's sibling.

My co-sibling-in-law is a good person.

by Elivaldeq November 24, 2019

forced sibling

A sibling under your age who you didn’t ask for to be born or your parents had without asking you.

Melissa: Kaylee has a forced sibling, how sad.
Jessica: I bet her parents don't care about her anymore.

by Yuhh :< June 11, 2020