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"Grungus" is a word used to describe filth. It is both an adjective and a noun. Things that are dirty/filthy are "grungus" or "covered in grungus." The word is more than this: it is the embodiment of disgust and repulsion, and is typically used hyperbolically.
"Sis wtf did you cook in here, the kitchen is covered in grungus."
or
(reacting to something gross) "That shit's grungus, bro."
grungus by teen_angst May 2, 2022
Related Words
The stuff dogs bring in after playing in the yard.
"Geez-louise, look at all that grungus!"
grungus by afsmist June 11, 2009
The feeling of extreme exhaustion in which you are in a semi-conscious state.
Since I drank so much last night, this morning I'm feeling pretty grungus.
Grungus by Siibilis July 22, 2019
The built- up secretions that create clumps in the hair surrounding your asshole.
He spends the majority of his shower time diligently eradicating stubborn grungas.
grungas by Dr Bunnygirl March 1, 2018

nepow glungus 

A family-friendly term for an item that makes living creatures slouch.
Wow Braden, that's a nice nepow glungus you got there mind if i slouch something with it
A latex glove filled with colored water
Dude that's one nice glungus you got there!!
Yeah man it's my five one of the night, I'm hoping the pop on this one is massive
Glungus by WhimsMoose October 4, 2020
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
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