one-liner

A short joke, especially one of a single sentence.

witty one-liners

Every crass or tone-deaf moment – including a sexual encounter between Eggsy and a socialite, played by Poppy Delevingne, that at best feels entirely misjudged and at worst a complete betrayal of Eggsy’s cheeky but ultimately quite sweet character – is matched by a wonderfully droll one-liner or nugget of razor-sharp satire.

A short remark intended as a sound bite.

A command or small program consisting of a single line of input.

A chat feature on a bulletin board system or web page where users can post a single line of text at a time.