Isbu

"I'm so bummed out". A abbreviation used in texting.

That's terrible news...Isbu!

by Shtella55 September 19, 2009

ISBU

The International Space Believers Union, popularized by Charls Carroll and Eric Hayden of The Palace

Hey man, do you believe in space?
Yeah of course man, I'm an ISBU member! Space is 100% real!!

by prequel memes.bat February 7, 2025

isbubba

A god at PVP and, can never die. A king of destruction, god of war.

I am ISBUBBA at games

by Mine craft Gamer April 29, 2021

Isbuyo

Isbuyo is a word the character names Cirrhosis from the YouTube channel Odd Stories YT made up in the episode "H is for Helter Skelter" during a game of Leopardy

Cirrhosis: Isbuyo!
Osfoc: What? Is that even a word?
Cirrhosis: Isbuyo! It's my new favorite word. I don't know what it means, but I like saying it. Isbuyo!

by Rayn :P May 12, 2022