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When I was a child and I farted my mom would ask me if I needed to grunty.

(grundo) 

a clan that is taking over mope.io.
i kept seeing so many ppl with (grundo) tag suddenly and thought it was a yt channel. but i googled it and found out its a show that has some sort of clan suddenly!
(grundo) by nobody else here August 24, 2017

mega grunty 

Process of taking a massive shit that just wont come out.
Everyone in and around the toilet could hear me while i was having a mega grunty
mega grunty by Conjibet September 18, 2019
Dirty. But not just dirty. Army boot dirty. Men's room floor dirty.
Geez, that tee is fuckin' grungy. Don't wash it, just burn it.
grungy by mohanchous September 25, 2005
Slang for $1000.

Plural: Grandies
I dropped a grandy on this new suit, but it was totally worth it.
Grandy by nickdotxam May 15, 2014
Hi! I'm a cute little grundo!
grundo by Serabee September 1, 2006