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The term grundle luber doesn't necessarily have to refer to a person who actually lubricates the grundle; it can be used to refer to someone who is an all around d-bag. Also a good drug smuggling alias.
Tommy loves a greasy grundle cause he's a grundle luber.

Quit being a grundle luber and chip in.

Yeah man, send the pills addressed to Grundle Luber.
by The1andonly November 16, 2007