colt's tooth

The phrase "colt's tooth" has both literal and figurative meanings, often relating to youth and desire.

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Definition

(technical)A tooth from a young horse's first set of teeth.

(idiomatic, literary)A craving for youthful pleasures or passions, often associated with romantic or sexual attraction.

Despite his age, he still has a colt's tooth and enjoys flirting with young women.
She laughed at his colt's tooth, reminding him that they were not teenagers anymore.

Terms that have similar or relatively close meanings to "colt's tooth":