Any half-assed or off the hook action; manie

Eating one baby's head is rude. Consuming 3 or more is just downright maniacal!
by pinckfur July 10, 2006
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1. A person who is crazy, insane, or generally dangerous
2. A player of Dance Dance Revolution who can easily earn A's on songs in Heavy mode.
1. Man, those guys at Colombine were maniacs.
2. Dude! That Maniac just got a AA on Max Unlimited!
by MrDak August 22, 2004
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1. A person who is undergoing a manic episode. Can often seem like the person has had a dozen coffees at once.

Symptoms may include increased speech, a rush of thoughts/hard to follow thought trains, compulsive movements (Finger tapping, dancing, darting head movements etc.) excessive energy, reduced need to sleep (Sometimes going for a week or more without sleeping) and increased appetite.
Can also include boosted confidence, a feeling of almost euphoric happiness, increased production of adrenalin and/or endorphins, excessive or lack of libido and a highly reduced sense or fear of danger.

Often highly intelligent and eccentric, though hard to talk to without going far off topic or spending hours listening to one giant spontanious rant.

Most common in people with the medical conditions mania, manic depression or hypomania.

2. A descriptor applied to people meaning to display a near obsessive love of something. See also: otaku
1. John is a maniac. He often goes days without sleep and seems to never stop moving, plus he seems to always be far ahead of his work.

2. Harry is such a footballmaniac. He's been to every home game this season and won't stop talking about it. He's even painted his car in his teams colors!
by Zeebeethreebee August 2, 2012
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random person: dude! that guy is running like a maniac!
other random person: I know! we should get out of here before he looks at us!
by Cookie165 November 5, 2020
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When a dog gets a burst of energy while playing and runs back and forth uncontollably in the hallway or around the house.
I threw the ball and now max is totaly maniacing!
by Tenarr June 27, 2005
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Usually a person who will do and say practiclly anything and has to be pointed out publicly to warn all others around that kind of person.
Andrew: Jimmy!, you're a maniac

Tobar: Haro, you're a maniac! who let you out of the asylum!?
by El Equis June 5, 2009
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when one does something in a way thats crazy,
or you could use cocaine that is also another word
Damn dogg last night was maniacs!

Do you have the maniacs on you?
by itsoli February 2, 2011
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