To knock out

Related to To knock out: kayoed
to force out by a blow or by blows; as, to knock out the brains.

See also: Knock

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
He'll want to knock out Scott and open doors for a domestic title bout or whatever.
He has won his last three fights inside the distance and said: "The plan is to knock out my three opponents.
He has had back-to-back knock outs and said: "I'm going to be the first to knock out Montieth.