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Idiom

knock for six

idiom B2
/ˈnɑk fɔr ˈsɪks/

Meanings

idiom

To shock, upset, or overwhelm someone so much that they feel stunned or knocked off balance emotionally.

Visual cue for knock for six — meaning 1

Definition

To knock for six means to shock or upset someone so much that they feel stunned or overwhelmed.

If something knocks you for six, it affects you very strongly and leaves you shocked, upset, or unable to react normally for a moment. It is often used for sudden bad news, a surprising event, or an emotional blow. The phrase is common in British English and comes from cricket, where a powerful hit scores six runs.

Examples

  • The news of the layoffs really knocked me for six.
  • Her sudden breakup announcement knocked him for six.
  • Seeing the damage after the storm knocked us for six.
  • The unexpected diagnosis knocked her for six at first.