Knock-knock

intj, noun, verb, slang

intj, noun, verb, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    Such a sound. colloquial

    "For the Philharmonic and its subscribers, the essential thing was to get the acoustics right, which is a task of near impossible complexity. What kind of space can do justice, say, to the plunks and skittering knock-knocks in Lou Harrison’s Concerto in Slendro and also to the sustained, exalted moan of Mahler’s Fifth Symphony?"

  2. 2
    Synonym of knock-knock joke. colloquial

    "In the spirit of Tom Swifties and knock-knocks, John W. Little 2d has invented a word game called the Bridge of Sys."

Verb
  1. 1
    To make such a sound, as by knocking on (something). ambitransitive, colloquial

    "Formally, the poll tax will die today, but it will carry on knock-knocking from the grave."

Intj
  1. 1
    A verbal emulation of a knocking sound. colloquial
  2. 2
    A phrase used in lieu of knocking on a door. colloquial
  3. 3
    Used to introduce a knock-knock joke. colloquial

    "Knock-knock. / Who's there? / Wendy. / Wendy who? / Wendy you want to open the door?"

Example

More examples

"These knock-knock jokes wear thin extremely fast."

Etymology

Onomatopoeic.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.