Also found in: Idioms.
See: enigma
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How to link planning and budgeting--that's the "braintwister."
In a second braintwister, he glued a red object down and observed that some bowerbirds kept on trying in vain to pull it out, while the brighter ones quickly twigged this was impossible and covered it with leaves.
IF YOU want to know how to skin the cat, or find out what a backwards braintwister is, this is the site for you.