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Noun: kayo (kayoes,kayos)  'key'ow
Usage: informal
  1. A blow that renders the opponent unconscious
    "He scored a kayo with a powerful right hook";
    - knockout, KO
Verb: kayo  'key'ow
Usage: informal
  1. Knock unconscious or senseless
    "the boxing champion kayoed his opponent in a few seconds";
    - knock cold, knock out

Derived forms: kayoing, kayos, kayoes, kayoed

See also: knock

Type of: beat, beat up, blow, work over [informal]

Encyclopedia: Kayo