long in the tooth

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Idioms and Phrases

Getting on in years, old, as in Aunt Aggie's a little long in the tooth to be helping us move . This expression alludes to a horse's gums receding with age and making the teeth appear longer. [Mid-1800s]

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

longing Longinus

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