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Multiple Username Disorder: A condition that compels those inflicted to create a multitude of aliases on websites such as 'IMDb', in order to praise or defend their own message-board posts -- the ultimate goal being to elevate these aliases to becoming the board leaders, and thereby controlling all topics of discussion. Often, the MUD sufferer will create lengthy message-board threads, in which the posts are entirely by his/her imaginary correspondents.
Every freakin' internet discussion board you check-out these days seems to have a minimum of 2 MUD cases trying to monopolize the conversation with either every single banality that pops into their boring, schizoid minds, or squabbling and name-calling as they compete for the same space โ€“ Chief Nut-job.
by nom de plumb May 20, 2009
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When you MU a cigar, you are forfeiting it after only a few puffs, no more than an inch, due to the fact it didn't live up to your expectations.
He MU'd that cigar.
That cigar got MU'd
by NSSH August 18, 2011
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Racial slur to describe a person of Black/White mix.
"Just look at the niggers and muds, they're even worse than us," song lyrics: Kill Baby Kill -- Diversity
by totenkopf88 July 01, 2010
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Coffee. More specifically: 1) Gas station coffee, 2) A prison term for coffee.
"That cup of mud I got from BP was like drinking jet fuel"... "Get me a bag of mud from the commissary and we're straight".
by Cobalt321 August 12, 2008
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A simple mixture of dirt and water. The viscosity of the mixture can be altered by adding or removing water, though the latter is substantially more difficult. Its uses are endless, ranging from pigpen groundcover to the primary ingredient in an easy to make pie.

The compound was first "invented" by the homo hobilis as a defense against unwanted female attention. He found if he flung it at them, he could ward them off. This ultimately proved contrary to his survival, however, so he began flinging it at those who encroached on his females. Also, those who stole his females received a rainstorm of it on his dwelling. This practice continues today, and occasionally excreted matter is added, for the sake of odor.

Nowadays, it is commonly seen as an obstacle to be avoided, especially by vehicular traffic. Nonetheless, it is still enjoyed by "offroad" traffic, and people playing tug-of-war. Thus, it can be deemed one of early man's most significant contributions to modern society, and grouped with fire and bacon.
Today I poured water into dirt, and pondered the resulting mud in both a scientific and philosophical manner

Matt chucked mud mixed with shit at his ex's new lover's house. Talk about stuck on her!
by TheFlyingWelshman June 10, 2014
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Slang for MDMA. "Mud" is a powder form of the drug ecstacy. Is often preferred to ecstasy pills as MDMA is pure, whilst ecstasy pills are often adulterated. It is a popular drug amongst ravers and people who do not trust the purity of pills, and ecstasy in general has always been associated, often by the police and government, with the underground dance music scene.

Other slang names include "mandy".
"Mate you got any mud for tonight? If not looks like we're on the pills again"
by Boothy_BW February 20, 2007
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