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14.
Some jack ass who likes to wear plaid reversible shorts, and wears a thong. Man + thong= Mong Synonym: Jeff
Dude, where did you get your Mong?
Jeff, you look so sexy in your Mong!
by Naughty nellie July 13, 2011
 
1.
Adj. Lacking in physical and cerebal ability. General retardation.
Generally: a total spastic
No I don't need you to help me with my supermarket trolley, you fucking mong
by Steve October 28, 2003
 
2.
1. (Mong)- Slang for spastic, but used against a person who says or does something completely idiotic by accident or without realisation. This makes every witness simultaneously raise their hands to their shoulders and shake 'em while sticking their tongue in their lower lip and making 'urrgh' noises.

2. (Monged)- A vegetive state of mind/being usually effective after consuming large quantities of alcohol, weed, lsd, ecstacy etc or combinations of.
1. Steve you mong, you've just poured the kettle onto ya cornflakes.

2. Steve's well monged after we spiked his drink with acid, muhahahaha.
by Safecracker G October 15, 2004
 
3.
Mong is short for 'mongoloid', which was originally an anachronistic term for a Down's Syndrome sufferer. The modern Mong however is a total fuckwit, who deserves nothing less than complete humiliation for their idiocy. That includes all those dope smokers too, who relate being 'monged' to being chilled and mellow. Its because when you're stoned you act like a fucking retard, you fucking spazzes!
"You spilt yer pint all over my strides, you FUCKING MONG! I'LL KICK YER FUCKING CUNT IN!"
by Savage Henry August 12, 2004
 
4.
Derogatory verb commonly used to describe the state of one's lack of common sense.
1) You are such a fucking mong.
by Gavyn August 27, 2004
 
5.
an insult to somebody who is acting stupid or annoying
your pissing me off mong!
by hol October 29, 2004
 
6.
Descriptive noun. Short form of mongoloid.
Someone suffering mental handicap. Particularly Joey Deacon.
Precursor to meng, ming, minger q.v.
Passive racist term.
You mong.
by Richie December 11, 2003
 
7.
Similar to the revealing undergarment women wear called thongs, a Mong is a Man-Thong.
Hey Bro, remember that one time when we went to the beach with your Mom and got drunk in our Mongs and I made out with your Grandma?
by Michaelo Casselo February 03, 2014