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up to one's neck in

idiom

: deeply involved in or affected by (something)
She's up to her neck in work.
He's up to his neck in debt.

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“Up to one's neck in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/up%20to%20one%27s%20neck%20in. Accessed 4 Dec. 2025.

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