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1.
Anyone involved with Rugby League be it fans, players, coaches, administrators, reporters etc. These Mungoes also tend to be incorrigible reprobates and are best avoided.
Joey Johns is just another neanderthal Mungo
by Rah Rahs August 17, 2006
 
2.
From the video game Fallout 3.
The children in Little Lamplight used it as an insult to adults.
"Get out of here, you mungo!"
by Kait the Great January 09, 2009
 
3.
retarded. someone who is mentally impared.
look at that guy, what a mungo!
by Peter Karlos October 26, 2005
 
4.
(verb) To enhance, improve or make something go harder, faster and so forth.
Bloke (a) You should kick that ball harder
Bloke (b) Yeah, it's time to give it a little bit of mungo
by Chris Rebbeck November 20, 2013
 
5.
A dumpster driver; A person which digs for trash
That dude is such a Mungo. He went through my recycling bin the other day and took my old magazines.
by pooblah June 18, 2011
 
6.
The collective noun for a group of hipsters, i.e. "a mungo of hipsters."
Look at that mungo over there. Because not being a fanny is too mainstream.
by Big Shteve February 25, 2013
 
7.
A mungo is a dumpster diver - someone who looks through trash and takes out all the valuable stuff
1st Dude: Dude, your GF is such a Mungo

2nd Dude: Huh? DUDE what you talking about?

1st Dude: Yesterday I saw her going through my dumpster and taking out all my valuable trash
by ∂αмиgιяℓ♥ August 05, 2009