A shortening of Bustling Fungus, Bungus.

"Bungus" originates from the popular Risk of Rain 2 item "Bustling Fungus" and an attempt to shorten the name to be able to refer to the bustling fungus more quickly.
John: Yo dude I got the Bungus!
Caroline: Awww nice!
by Dracyan February 26, 2021
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The fungus that grows on your bum. Bungus can be contracted from skanks, ho-bags, and gutter sluts. Particularly serious cases can cause small pink and purple mushrooms to grow on and out of the anus. It is particularly common in the city of Fitchburg, Massachusetts.

The genital equivalent of bungus is jungus.
How's the bungus you got from that anal sex binge you had last month? Still on fire?
by I don't have Bungus October 23, 2008
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The outcome of not wiping or washing for 1 - 4 Weeks (4 Weeks for best results) , then rolling up your anus crust and smoking it.

A drug composed of dried human feces.
Shit man, I blacked out after doing so much damn bungus!
by 1605 November 30, 2015
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A type of fungus that appears on an open rectum after numerous occasions of failed use of hygiene.
Dude! I saw Jimmy in the shower! He's got a mad case of Bungus covering his shit cave!
by Yüng Coupon Clipper January 19, 2016
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