knock heads

idiom
Updated on: 15 Nov 2017

Definition of knock heads

US, informal
1 : to argue or disagree
  • The two of them knocked heads soon after they started working together.
2 : to use angry or forceful methods to control or punish people
  • I am going in there and knock some heads if they don't start behaving.
often + together
  • I am going to go in there and knock their heads together if they don't start behaving.

Word by Word Definitions

knock play
  1. : to strike something with a sharp blow

  2. : to collide with something

  3. : bustle

  1. : a sharp blow : rap, hit

  2. : a severe misfortune or hardship

  3. : setback, reversal


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