N. Person whose relationship (of any kind) to meth directly results in mind-numbingly stupid or tard-like behavior; an otherwise seemingly capable person whose use of meth reduces them to near unimaginable levels of mental incapication and social dysfunction; someone whose desire to produce and deal meth takes them into uncharted territories of uncoordinated and potentially dangerous recklessness.
Power was out all over town when a meth tard driving his portable meth lab ran smack into a sub-station while trying to out run the police and light his pipe at the same time.
by Truman Starr September 10, 2005
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