A person who gives opinions on matters beyond their knowledge; relating to such overconfident commentary.
From Latin 'ultra crepidam' -- beyond the sandal. Pliny recorded that when a cobbler criticized a painter's work beyond the shoes depicted, Apelles replied 'Sutor, ne ultra crepidam' (Cobbler, not beyond the sandal!).
A cobbler once tried to tell a famous painter how to paint EVERYTHING, not just shoes. The painter said STICK TO SANDALS, buddy! and 2000 years later we STILL use this word for know-it-alls! History's best burn!
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