Top Definition
A person who often becomes excited and aggressive over trivial things. Specific stimuli especially invokes excitement from one who is a live wire.
Watch what you say, because he's a live wire, he gets so mad over the tiniest things, especially if you tease him about his extensive shoe collection. But if you talk about something he likes, he'll become really excited and happy!
by Laura MM October 02, 2010

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Somebody who lies on the internet.

Somebody who has broken English as mother tongue(tounge in Livewire lingo).

Somebody so cool he has a pregnant under-age internet girlfriend, 3½ PhD's(and counting). He can also travel to Greece(to meet his e-gf) in record time(and probably does not have to leave the room)..
Oh did I say that they used to be brother and sister before they eventually fell in love?

Livewire: we was just lying to ourselves
More Livewire quotes :

"Umm ya mommy didnt have any babbies that lives"

WiSeMAn: live wire, what do you do for a living?
Livewire: I go to school WiSeMAn.

(The real question is when..)
by Iwasboredtwatsfuckit December 30, 2010

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an energetic and unpredictable person.
synonyms: energetic person · ball of fire · fireball · human dynamo ·
busy bee · eager beaver · go-getter · whizz-kid · mover and shaker · powerhouse · life and soul of the party · tiger · demon
a person who acts and gets things done; "he's a principal player in this affair"; "when you want something done get john he is a live wire; "he's a miracle worker"

a zealously energetic person that gets things done.
by sonicsb1 December 29, 2015

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1. verb. To access the LiveWire Forums (www.golivewire.com) and browse through the topics, polls and quizzes.

2. noun. A reference to LiveWire Forums.
1. Oh fuck, my schoolwork isn't done because I LiveWired all night!

2. Bah, LiveWire goes down more often than Hamel's mom!
by Kirill April 17, 2004

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A stupid ass teen support forum which is nothing more than a place for all of the nerds of the world to finally be popular and to have control over everything.
Shit...this place is like Livewire
by Alfredo Smith December 13, 2007

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a christian youth club run in northampton that take trips to soul survivor every year
livewire is held at the pastures community centre
by fit_gash June 16, 2008

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A person who is obsessed with a particular message board/forum.
That chick is on here all the time, she's a real livewire!
by chloeDLLW August 31, 2006

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Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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