knock

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Related to knock out: knock yourself out

knock

(nok),
1. Colloquialism for a blow, especially a blow to the head.
2. A sound simulating that of a blow or rap.
References in periodicals archive ?
Knock Out At The Bottom Of Panel For Cable Entry Suitable For 50Sq.
With bitter rivalries, big personalities, sudden-death knock outs and distances reaching over 400 yards combining with pyrotechnics, DJs, walk-on music, a licensed setting, food trucks and free entry, the event promises an entertaining evening like no other.
Zulpikar has five knock outs wins and has fought 24 rounds.