Mungo 

From the video game Fallout 3.
The children in Little Lamplight used it as an insult to adults.

"Get out of here, you mungo!"

Mungo by Kait the Great January 9, 2009

Mungo 

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

Mungo by Rah Rahs September 13, 2008

mungo 

retarded. someone who is mentally impared.

look at that guy, what a mungo!

mungo by Peter Karlos November 3, 2005

Mungo 

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

Mungo by ∂αмиgιяℓ♥ August 6, 2009

Mungo 

A mumbling scotsman who lives on a decrepet sailboat and speaks in completely broken english even though it is his first language. He enjoys telling incoherent stories and freaking people out with his bizarre manners and accent.

"Mungo, trim your damn nails"

"F***ing Mungo man, Mungo."

Mungo by Masternutcher August 26, 2004

Mungo 

realy realy big
quite large

bob: whats that, its realy big?!?
pat: yah, i know, its mungo

Mungo by ghetto A August 17, 2005

mungo 

a guy who is total loser with no friends

dat guy is listenin 2 his ringtones. what a mungo

mungo by pilz September 23, 2005