From Longman Dictionary of Contemporary Englishone-linerˌone-ˈliner noun [countable] JOKEa very short joke or humorous remark
Examples from the Corpus
one-liner• There were clips from the campaign trail and one-liners from Mr Kinnock's speeches.• Refreshed, I said hi to a few filmstars, briefly joining them at their tables with a selection of apposite one-liners.• It's a hilarious scene with a succession of brilliant one-liners from Groucho Marx.• In other words, a real character - who happens to talk in hilarious one-liners.• There are some memorable one-liners in every Woody Allen film.• There, I've said it on record and without recourse to a single one-liner.• Best to sit back and cue him up for the one-liners.• If you can not tell long jokes without getting lost, stick to one-liners.• Creole utterances in conversations like these are usually one-liners. 