ka|yo

ka|yo «KAY OH», verb, -yoed, -yo|ing, noun, plural -yos. U.S. Slang.

–v.t.

1. to hit so hard as to make helpless or unconscious; knock out.

2. to put out of operation; diminish in effect.

–n.

Boxing. = knockout. (Cf. ↑knockout)

╂[pronunciation of K.O.]