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1.
one who is in the millwright trade, but is really bad at doing everything.
Lee claims he is a millwright, but after getting his arm mangled by a lathe, we know now he is a millwrong.

geoff said your either a millwright or a millwrong.

use e-z tap when tapping holes you millwrong!

by fairf November 19, 2007
 
2.
An individual who claims the status of a Millwright, but in most cases is not a Millwright by trade - if even traded at all, usually these individuals are only capable of performing a few small jobs and aren't very good at those either.
Fred:"Hey John, man that millwright is so bad at his job"

John:"Of course he's not a trained Millwright,and has no education"

Fred:"Oh! it's one of the Millwrongs we have then is it - must be a non-union place""
by Johnjjohn November 06, 2010