knock

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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 ?
Thermal reclamation uses heat to bum off any organic matter attached to the sand grains and depends on a scrubber to knock off deadened clay and fines.
None of those star-studded teams could knock off the Lakers in the NBA playoffs.
Marmonte tournament: Celia Durkins beat Kristen McVitty 6-4, 6-4 in singles, and Cory Ceizler and Jilli Schnitman teamed up to knock off Erin Wiesner and Helen Kolpakov 6-4, 2-6, 6-3 in doubles at Agoura High.
If they win out and knock off UCLA, even if WSU takes its final three games, the Trojans are the conference champions.
And certainly they will need that to knock off San Antonio, which is superior to the Timberwolves.