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
"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
Some one who does crystal aka tweak and has been up for days showing signs by talkng alot pacing around and fidgiting
"Damn Pavells A Tweaker now"
by Lisa April 09, 2004
a person who is addicted to meth...(drug)
that guy smoking that shit on the chair over their is a tweaker!
by lindsey_57 July 23, 2006
Methheads. Named for their twitchy, "tweaky" behavior.
"Those goddamned tweakers make me nervous to be around"
by Rokki J. Rand October 17, 2007
A person who uses meth and staying awake for days at a time thinks their focused on there project usually something they think they can repair but in reallity they end up breaking it so the parts end up in a box with all the other tweaker parts
He has been up for days tweaking on electronic items , and hasnt fixed any of them , all he has now is a bunch of parts, he is such a tweaker.
by Kimberly Delgado July 10, 2006
a person who has been awake,on average,for about 2 weeks without sleeping because they've been abusing speedy drugs(usually,but not limited to:crystal methamphetamine)
this tweaker told me the only cure for coming down is more drugs.
by insanegerbil November 22, 2003
a tweaker is someone who has been doing Crystal Meth for a while and feens for it and is always twitching. Some one who is an addict for Meth.
L. - damn nigga YU're girl is a tweaker aint she?
P. - Ya im going to drop that bitch soon, she fucking up and be doing too much for the dopey
L. - oh, yah how much, give her my number in that case.
by baddxbxtchxdopey August 07, 2010
someone who abuses methamphatamine.

usually skinny because they dont eat.
dark circles under their eyes because they dont sleep.
can harldy stand because most of their blood viens have collpased from constant injecting,

they transform themselves into a hermit-like state and keep to themselves while trying to have a normal life.
kid 1: i think that jon is using meth.
Kid2: yeah i definatly think he is a tweaker
by lovebabefor April 08, 2009

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