punch someone's lights out

idiom

Definition of punch someone's lights out

informal
: to hit someone's face hard with a fist It's a good thing he's not here, or I'd punch his lights out.

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“Punch someone's lights out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/punch%20someone%27s%20lights%20out. Accessed 13 Aug. 2020.

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