A colloquialism used primarily in industry to describe a fellow worker of such astonishingly low intelligence, competence and ability, whom despite being given every opportunity to progress, always manage to fuck it up and default back to their servile disposition of loading crap on to a machine. In this case glass. A complete and utter halfwit.
Has that Glass Loader from the other shift fucked the numbers up AGAIN! That's the third time this week!
by DAZ95 June 29, 2017
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