A common term used by people who use RuneScape forums, used to describe fail and other negative actions.
by SupahFlyRules May 3, 2009

by Judi Malnar March 4, 2005

Someone with immense ego, and inflated self regard, who can often be found compensating for their small genitalia by driving a BMW or a Mercedes.
There's Larry again, trying to tell everyone what to do and swanning around like he's the Grand Poo-Bah of the whole place
by Hsgxjeo November 6, 2019

The Spanish form of vah jay jay. Vs are pronounced as Bs. Jotah is how you say J. Therefore Bah jotah jotah. Very popular with high school kids because parents, teachers and school staff already know what vah jay jay means.
by Capital V June 15, 2007

After completing a Grand Pearl Pooh-bah in Hexic for the xbox360 you then have sex with 50 girls in 2 minutes, only sticking your dick in 49 of them. On the 50th you cum on her face while yelling "Grand Pearl Pooh-bah bitch!". Similar to the Sassafrass method (see Sassafrass).
by Grand Pooh-Bah October 17, 2006

Often refers to "Bottle of Water"
by RameSensei August 16, 2021

A hat worn by the Grand Poo-Bah that is so distracting that there plot to take over the world goes unnoticed.
Brain always wears his Grand Poo-Bah Hat .
Pinky: What are we doing today Brain?
Brain: The same thing we do everyday Pinky"Try to take Over the World"
Pinky: What are we doing today Brain?
Brain: The same thing we do everyday Pinky"Try to take Over the World"
by Elevatedthought July 11, 2015
