Top Definition
A singlular, detached thumb.
Frank: "Hey, Bob, what are you looking at?"

Bob: "Somebody left a thumbus in the gutter."

Frank: "O, I guess a couple of hobos must have had a knife fight."
#thumb #knife fight #hobo #amputation #bob
by leontrotsky32 November 21, 2009
5 Words related to thumbus
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