sibling

A brother or sister.
A being with whom you share parents, whose sole purpose is to destroy your life.

In general, younger siblings are slightly more annoying than older ones, although in general older siblings are meaner and stronger so beat up the younger one.

by Goldfish United! February 26, 2009

Sibling

Hell in a human form. Unfortunately, they related to you.

My younger sibling drew a self portrait of himself. With lipstick. All over my algebra homework.

by Captain Lieutenant November 29, 2015

Sibling

One's exact opposite, created by someone's parents to torture him/her until death.

Sibling rivalry is common among siblings.

by Ausie Badass December 7, 2003

Sibling

A combination of a best friend and a punching bag

Tony is my sibling. He bugs the heck out of me, but I love him so much.

by Mystic_Snowfang July 2, 2008

Sibling

The less commonly used term for brothers or sisters.

They are often identified with a loud voice and tattletale incidents. Pinching is their main defensive action.

Siblings are often called annoying by their older and smarter siblings.

"Mommy, he took my toy!"
"Don't be such a sibling!"

by TheEve December 6, 2011

sibling

a demonic soul sent from hell who's main porpose is to turture you for the rest of your life.

(pregnant) mom: you want a sibling?
kid: NNNNNOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!

by morgasa May 14, 2018

sibling

A child born of your mother's womb who is used as a unit of comparison in the family.

Mom: (Chiding) "Your brother sent me flowers for my birthday. Why can't you be more like him?"

Steve: "Ah, Mom! Can I help it if my sibling has more money to waste than me?"

by Loxi July 22, 2009