cop on

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cop (oneself) on

slang To stop acting like a fool; to begin using common sense or logic. Primarily heard in Ireland. Why on earth did you do that? You need to cop yourself on, Liam! She finally copped herself on and started acting like an adult for once.
See also: cop, on

cop on

1. noun Common sense or basic logic. Sometimes hyphenated. Primarily heard in Ireland. It seems like no one in government has any cop on these days.
2. verb To wise up; to employ common sense or logic; to understand the situation. Primarily heard in Ireland. You really need to cop on to what's expected of you as an adult. We all copped on that we had overstayed our welcome.
See also: cop, on
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
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