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count (someone) in

idiom

: to plan to include (someone) in an activity : to consider (someone) as one of the people who will be doing something
"Do you want to go to the beach with us?" "Yes! Count me in!"

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“Count (someone) in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/count%20%28someone%29%20in. Accessed 28 Nov. 2025.

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