brain-teaser

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brain-teaser

A puzzle or riddle that is challenging to solve. Boy, that's a real brain-teaser—anyone got any ideas for what it could mean?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

brain-teaser

verb
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
HERE'S a brain-teaser. What's the difference between The Midwives and One Born Every Minute?
It's a brain-teaser even Stephen Hawking would struggle to solve.
MARTIN PIPE has set punters a brain-teaser by entering Cyfor Malta in two races at Cheltenham next Saturday, writes Bob Toseland.