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terrible twos

[ ter uh buhl tooz ]
/ ˈtɛr ə bəl ˈtuz /
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plural noun
a developmental phase in some toddlers characterized by temper tantrums, mood swings, defiance, and territorial behaviors: The terrible twos have reduced my kiddo’s vocabulary to two words, “mine” and “no!”
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Origin of terrible twos

First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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