'KO'ing' definitions:

Definition of 'KO'ing'

From: GCIDE
  • KO \KO\ v. t. [imp. & p. p. KO'd; p. pr. & vb. n. KO'ing.] To knock out; to deliver a blow that renders (the opponent) unconscious; -- used especially in boxing. [acronym]
  • Syn: knockout. [WordNet 1.5]