Sunday punch
Americannoun
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Boxing. the most powerful and effective punch of a boxer, especially the punch used in trying to gain a knockout.
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anything, as an armed force, line of argument, etc., capable of inflicting a powerful blow on a hostile or opposing person or thing.
noun
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boxing a heavy blow intended to knock out one's opponent
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any manoeuvre or action intended to crush an opponent
Etymology
Origin of Sunday punch
First recorded in 1930–35
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The takeaway: During your driver fitting don’t just focus on the distance number you get with your Sunday punch.
From Golf Digest ● Jan. 2, 2020
But Impresario Bing had cannily saved his Sunday punch for the final week.
From Time Magazine Archive
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Married in 1921, he headed East to Columbia law school, where he made a reputation for himself both as a bright young lawyer and a boxer with a Sunday punch.
From Time Magazine Archive
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For a few moments one morning last week, Secretary of Labor Maurice Tobin acted like the man who was all prepared to deliver the Administration's Sunday punch at Joe McCarthy.
From Time Magazine Archive
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We knew the syllogism was the conclusion, the Sunday punch.
From The Kenzie Report by Mark Clifton
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.