Sunday punch
noun
1
: a powerful or devastating blow
especially
: a knockout punch
2
: something capable of delivering a powerful or devastating blow to the opposition
saving his Sunday punch for the end of the campaign—
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“Sunday punch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Sunday%20punch. Accessed 29 Oct. 2025.
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