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bang on
bang on
1. verb To strike something repeatedly. Quit banging on the door, I'm coming! How much longer will your little sister bang on the piano tonight? I'm getting a headache from all that racket.
2. adjective Exactly right. Primarily heard in UK. I think that is a bang on analysis of Forster's novel. My estimate was bang on. I hope the boss notices!
bang on someone or something
to strike someone or something repeatedly. (Especially to beat on a person or a drum.) Please stop banging on that drum! Max was banging on Lefty when the cops arrived.