1. A retarded person, usually associated with pirates.

2. The dimwitted pirate in the series Pirates of Freedom. He sails with his friend Bloody James. Has an obsession with unicorns. Both he and Bloody James sail on the "ship" Suzie. While Bloody James can usually be found reading or stealing things, Mad Will does what his name suggests. He usually sings, draws, and pretends he is in the series Desperate Housewives.
1. Billy: Hey, are we gonna do the play today?
Jimmy:We performed it yesterday, so i'm assuming that we arn't 'gonna do the play today.'
Billy:(cries)
Jimmy:Freakin Mad Will...

2. Mad Will hummed to himself. Bloody James was out picking up girls. But Mad Will had drawing talent, so he was definately cooler.Right? Oh, well. At least unicorns would never betray him.
by Krittr March 25, 2009
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Most predominantly used in the greater New York area, "mad" is an appropriate replacement for Northern California's "hella" and Boston's "wicked." In the common vernacular, it translates into "a lot" or "extremely." Can be used almost interchangeably with any of the above listed words.

For the most part, it means angry.
It's mad hot today.
She has mad problems.
by SVex January 18, 2005
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Something ridiculous just happened but somehow, you're cool with it. Weirdly, you're a little bit glad it happened. Best delivered in a tone which implies passive aggression.
You may have cut my hair without my permission, but I'm not mad.
by canfield army April 7, 2009
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MAD is an American humour magazine with comics. The name should always be capitalized as "MAD" to distinguish with any other Mads or the word (adjective) "mad". MAD is an acronym from "Mesh takes a D", in which "mesh" is "#" (number sign) and "to take a d" is to "commit a suicide".
Bon: "People oftentimes wonder what that "E" in the middle of the name of Alfred E. Neuman – the cover boy of MAD magazine – stands for and what happened to his missing tooth."
Connie: "No, they don't."
by Burt Milhorse Eriksson April 8, 2021
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As a product of abuse, (be it psychological, violent or combination of miscellaneous factors): A behavioral expression, (not necessarily unreasonable or a product of mental disorders) leading to an almost complete disregard of the instinctual directive for self preservation; which yields a disproportionate level of motivation to accomplish certain objectives of which are not necessarily violent or of ill intent.
The young geniuses of our society are driven to the point of madness by the relentless onslaughts from the simple-minded that radiate hatred and/or in some cases the intent to harm and/or destroy said geniuses.
by Thought Revolution October 31, 2016
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My brother is mad. He is mad that his definitions on urban dictionary got rejected.
I'm writing this to piss him off.
My bro is mad. It is funny.
by Anonymouse🐀 December 16, 2018
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