Sprang back or rebounded off a surface, or ejected someone from a place like a nightclub.
Possibly from Dutch 'bonken' meaning 'to bump,' or imitative of the sound something makes when it springs back. Used in English since the 1600s.
A bounced check and a bounced ball seem unrelated, but both mean the same thing—something that comes back to you when you didn't expect it. Banks borrowed the word from physics to describe money returning to sender.
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