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Person who acts like he's sniffed too much gasoline, glue etc. Possessed of a confused, disconnected brain.
I want a scalpel, not a forceps! You are such a fumer!
by gnostic1 August 06, 2010
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Someone who seems dead set on annoying you or just persistent on making your life hell
Me fuckin ma's a proper fumer
by Dogn't November 14, 2018
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