take the bit in one's mouth

(redirected from take the bit between one's teeth)

take the bit in one's mouth

Also, take the bit between one's teeth. Throw off restraints and proceed on a headlong course, take control. For example, My partner took the bit in his mouth and bid a grand slam, or Jane took the bit between her teeth and now there's no stopping her. This idiom alludes to the bit, the metal mouthpiece of a bridle whereby a rider controls a horse. [c. 1600]
See also: bit, mouth, take
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