proof (one)

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proof (one)

Asked for official identification, such as a driver's license, to verify that one is above the legal age of majority, usually when trying to purchase alcohol or enter an age-restricted place. I can't believe the waiter proofed me when we were out to dinner—it must be because I shaved my beard. We were all waiting to show our fake IDs to the bouncer, but he didn't proof any of us as we went into the club.
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Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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References in periodicals archive ?
No mattress is going to proof us against those punishing demands.
Will it future proof us? Will it be a statement of ambition and intent?
THIS is the proof US terror suspect John Walker Lindh was mistreated, his defence lawyers said yesterday.