knock (one) down to size

knock (one) down to size

To humble or humiliate one who is arrogant or egotistical, whether verbally and physically. Someone needs to knock these new interns down to size—they refused to stuff envelopes! The whole class gathered to watch the fight in the schoolyard because someone was finally knocking the big bully down to size!
See also: down, knock, size
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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