a dilettante who will resort to intimidation tactics and physical violence if reminded that he or she possesses only superficial interest/ability in some branch of knowledge or skill
Guy 1: Don't invite Barney to help us build the deck. He doesn't know squat about basic carpentry.

Guy 2: You're better off keeping your thoughts on the matter to yourself. Barney would beat the daylights out of you if he heard you say that. He is one tough amateur!
by scared of tough guys May 13, 2010
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