a steady user of crystal meth, or someone who has become addicted to it.
Dude, check out that jibhead, he's crazy. Hasn't been sober for 2 years.
by angela February 13, 2005
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A human or other being that is addicted to hard drugs I.e crack
Quaid is a fucking jibhead , look at him tweaking
by Woptober July 7, 2018
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