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1.
Someone with little actual mechanical knowledge who shoots up and then goes and works on his girlfriends car. The result usually being that the car will no longer run.
Shawn the methchanic and crack back Jack tried to work on Amy's car when they were high and now she can't get her kids to school.
by tragicbeautiful June 27, 2008

Words related to methchanic

broken car idiot mechanic methamphetamine