Etymology
1910s,[1] probably American. It was probably meant to be likened to a quick, sharp punch.
Noun
punch line (plural punch lines)
- The final part of a joke; the word, sentence, or exchange of sentences that is intended to be funny and provokes laughter from the listeners.
That was quite a build-up for such a puny punch line.
2014 August 20, Matthew Jenkin, “Why language learners don't have to miss the punchline”, in The Guardian:While explaining a punchline might initially kill the joke, Roberts claims it can shed light on the use of humour in language and help students remember the gag for future use.
- (by extension) The butt of a joke; laughing stock.
2019 July 8, Tom Dart, “The US men's team are now a punchline. Which is a little unfair”, in The Guardian:The women are a phenomenon; the men are a punchline.
2023 March 31, Kevin Roose, “Google C.E.O. Sundar Pichai on the A.I. Moment: ‘You Will See Us Be Bold’”, in The New York Times, →ISSN:(It didn’t help when Microsoft relaunched its Bing search engine with OpenAI’s technology inside, instantly ending Bing’s decade-long run as a punchline.)
- (by extension) A final, concluding statement that an explanation has been leading up to; a conclusion.
2014 July 14, Philip Oltermann, “World Cup final press reaction: Germany’s win a ‘fitting punchline’”, in The Guardian:The final, the Munich-based liberal newspaper writes, was a “fitting punchline” to a great tournament.
Translations
final, concluding statement