1) A gentleman who is trying to make you look a fool in front of your associates.

2) A reputedly nasty character of less than average intelligence.
Your not football supporters, your fucking muggy little cunts

I should fuckin' open you up you muggy cunt
by Johnny S December 20, 2005
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a bitch or pussy

generally is opposed to anything fun related.
"See you later you cunt muggy."
by mattch3wo September 24, 2009
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