Sib

Gender-inclusive term of endearment used among anyone who loves someone else in whatever capacity (platonic, familial, romantic, etc.). An alternative to "bro" or "sis".

Person A: Hey... *thinks* wait I don't know their pronouns *thinks* sib, what's up?
Person B: The sky lmaooo :P

by I Am Princess X June 20, 2020

SIB

Acronym for "Should I buy"

Used in forums like Reddit as a subject header to ask what is mentioned in the body of the message is worth buying.

SIB Magic Bullet blender/food processor?

Yes, you should buy it, its very handy and useful, without taking up much space.

by Ulfsark July 1, 2017

Sib

Sib is another word for sibling

Me and my sib went to the store

by Purr vanilla cookie October 20, 2021

Sib

Self Improvement binge

I was going out to the old port too much, but then got tired of being pathetic, so I started a sib.

by Pahey12345 December 11, 2011

SIB

Stupid Idiot Bitch

Corryna won’t get pitchers with us because she was to work tomorrow…what a SIB

by dick fingers January 15, 2023

Sib

Sib is a very Big Mac fatty, she likes to eat 5 hungry jacks bqq cheese burgers an hour and complain that Indian food smells like Indians, she also likes soggy biscuits and many other soggy things

I’m hungry lets all be a sib

by Sib July 3, 2018

Sib

A gender-neutral alternative shirt for “sibling” and can substitute for the words “bro” and “sis”. This term can be used with friends as well as a term of endearment.

Heyyyy sib, how’ve you been? It’s been forever!

My friend is NB so I refer to them as sib and they love it.

by LingDanc803 October 21, 2022