SIB

spontaneous involuntary belching

excuse me, I got that SIB.

by Crawton March 8, 2024

Sib

Short for sibling, a gender-neutral variant of “sis” or “bro”

Hey, sib, how are you feeling?

by Luna :3 January 22, 2022

SIB

stupid idiot boy

Lucas you’re such a sib

by BigSib May 20, 2025

sib

You could call your friend sis or bro, but what about sib? It’s rEvOlUtIoNaRy!
bro= brother
sis= sister
sib= sibling
It’s great for ur non-binary pals

a: I just got a sugar daddy
b: Yesss, get it sib!

by iamitSIB December 24, 2019

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

Shy in Bed.

Sorry, I can't use that position, I'm SIB

by River Carr May 7, 2010

SIB

Sorry I'm Busy

A great excuse; A great acronym; A great way of life

Chicken: Hey Duck wanna ****?
Duck: SIB with your mum.

by TaiLopez'sBookshelf July 26, 2016