a tweaker is simply a weirdo, from that weird girl who stalks you, the weird witch lady who lives at number 3 to that crazy old guy with the massive beard who rides his bike around all day muttering. its useful to have in the vocab as it can be shouted with no risk of insult to the tweaker in question. by streachin the sylables it can be made into an almost bird like cry. if u like
tweeeeee-kaaaaaahh
"oh my god, this guy is a fucking stalker, what a tweaker"

"shit dude, did you see that matey wearin girls clothes, what a tweeker"

"whos that tweaker on a microscooter"
by purv of the gore April 26, 2007

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1 A thing you hold and point at the t.v. to change channels.
1 'Oh no, it's Mandelson (or other politician of choice), pass the tweaker quick.'
by Sue d'Aunim December 06, 2009

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Some one who twitters too frequently
Wow your sister is such a tweaker, I mean she has like 87 posts a day.
by BeanyStiney April 07, 2009

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a man/woman who does an action that may seem strange or efed up to the people around them
hahaha look at that fukin tweaker. haha wtf is he doing?
by l)yl_A/V February 14, 2008

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a hyperactive, annoying little kid
you are a tweaker
by Jared Blash September 22, 2008

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A text message, or SMS
"Where's Hayden? Is he running late?"
"I don't know, I'll send him a tweaker and find out where he is."
by Religioo January 15, 2010

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tweak=freak out, jumpy, on edge.
Shell tweaked when Mike scared her.
by ATXmoneymike January 26, 2005

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a person who has lost life. they say it can kill you the first time you try it...if it doesn't you will wish it had.
The most prettiest girl in school got caught up in tweak...she isnt so pretty now and she is really mean with big gashes in her face from picking at it and no eye brows cuz she must have got really bored and tweaked by herself...poor girl she will never be the same
by I dont care how they do it February 24, 2005

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