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A methamphetamine addict (see also "tweeker".) Methamphetamine addiction is usually a hopeless condition, in that chronic abuse of the drug causes irrepairable brain and central nervous system damage, the former leading to lack of impulse control, extreme paranoia, extreme lack of empathy and reasoning power. This is due to the drug's destruction of the limbic system in the brain, a condition which seldom is reversible. Most such addicts are extremely paranoid, exhibit flagrant dishonesty and are criminals in one way or another. Most methheads exhibit single-minded behavior (being "stuck"), usually devoted solely to getting their drug of choice, and will commit crimes against loved ones as easily as against strangers. Self-loathing causes serious self-destructive behavior. Lack of sleep, poor nutrition and poor hygiene ages all methheads far beyond their years and life expectancy is short, usually caused by brain, renal and liver damage. Also a hallmark of the addict is severe cystic acne and rotted teeth. Once a methhead starts "slamming" their drug (using hypodermic syringes, usually .5 ml insulin types) they are generally hopeless, and even with long term rehabilitation, will relapse as bad as before or worse. Sex drive among females becomes nil with heavy use, and they use sex as a weapon, lure or means of income, while males will exhibit an abnormal sexual drive for uncommon or taboo sexual acts, although the ability to get and retain an erection is lost. Loved ones of methheads must learn to dissociate from their victimized friends and keep them away, as property theft is a favorite methhead occupation. Use of expensive surveillance equipment is a must (if they even have a house) and crime to them becomes completely justifiable. The recovery rate among methamphetamine addicts is around 20%; the other 80% remain menaces to society. Almost all have criminal records. Other common synonyms: spinner (usually females), tweeker, thwacker, speed freak.
That methhead bitch gave me HepC, stole my gun and wasn't even a good piece of ass!
by Wacko Magnet March 02, 2009
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Aug 4 Word of the Day
Lying flat refers to a defeatist lifestyle in Chin, where people stop working, desiring material acquisition, and tap out of any social life – sometimes for good. By lying flat, young people are participating in a kind of non-cooperation movement, rather than surrendering themselves to China's oppressive work culture where they see little hope of social mobility.
I’m not going to try to get a better job so I can afford to start a family, I’m just lying flat.
by Freeo11 June 04, 2021
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(METH hed) n. a user of methamphatamine syn: speed freak, tweaker, sketcher
Dude: I think that Sue has been using again.
Other Dude: Yeah, she's a big meth head man.
Dude: Fuckin sketcher bitch.
Other Dude: Yup, you know how tweakers are.
by Nedd Ludd August 23, 2005
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This term is used to describe the lowest form of drug addict scum there is. You know your in ones presence when you can count the teeth they have on one hand and they chop their parents basement furniture up with an axe in the yard. Beware they will steal from their own parents, fuck over drug dealers and be held hostage with assault rifles.
Frank: hey Mark did you see that meth head joe lately? He is a slap program reject!

Mark: yea that kids a real bum! I think he only has like a half of tooth!
by Definition an g May 14, 2013
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creatures of the night, main goal is to stay awake, common to the areas of ghettos and slums that only come out to seek valuables,generally roam in places where there are people to talk to , sucks on dicks(glass dicks that is), usually yeilding a weapon,pale oily skin.
those meth heads were out again last night and they stole riding lawn mower.
by yan from south central japan October 23, 2007
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Similar to Crackhead, but with a opposite racial inference since meth use is primarily associated to, but not exclusively to white people.
Hey, Where'd you go last night? I when to my girls house, but I had to drive through the westside on broad, where all the methheads are.
by AB Dan July 18, 2006
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One who overdoses on meth often, leaving them looking weird at parties and having no friends.
Symptoms of a meth head inclide bloodshot eyes, lack of sleep, and annoyingness.
by insomniona August 15, 2012
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