knock knock

1. alternativeAlternative form of knock-knock.

plural knock knocks

1. alternativeAlternative form of knock-knock.

   There's a knock knock at the door.

   1977 May 2, Richard L[ivingston] Coe, “Feiffer’s ’Knock, Knock’: Affected and Amusing”, in The Washington Post, Washington, D.C.: The Washington Post Company, →ISSN, →OCLC, archived from the original on 17 Jan 2026

   2 more examples

   To repeat: I’m not even kidding. When it comes to the matter of manners and to raising an arm to extend a courtesy, a knock knock is not a joke.

   2013 August 12, Troy Patterson, “Didn’t Anyone Ever Teach You to Knock?”, in Slate, New York, N.Y.: The Slate Group, →ISSN, →OCLC, archived from the original on 14 Apr 2019

   That's a bit irresponsible, Mat? Being on this show while your fiancée is sitting at home getting 'knock knocks' from the Australian Border Force?

   2020 June 22, Alex Michael, “Dear Channel Seven, nobody wants to watch a bunch of bogans crying over insufferable letters from their family... ALEX MICHAEL recaps Big Brother”, in Daily Mail, London: DMG Media, →ISSN, →OCLC, archived from the original on 30 Jun 2020

present singular third person knock knocks · participle present knock knocking · participle past knock knocked · past knock knocked

1. informalTo knock; to make a knocking sound.