cop off(redirected from copped off)
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1. slang To depart from work or school early and without permission. The boss was gone and sun was shining for the first time in nearly a month, so we all decided to cop off a few hours early.
2. slang To kiss someone passionately and at length, especially during a chance social encounter. Primarily heard in UK. I saw Mike with some random girl copping off in a corner of the bar, so I took a picture and sent it to his girlfriend.
3. vulgar slang To have sex (with someone). Primarily heard in UK. I wouldn't cop off with your roommate if I were you.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.