1. OHKO - Noun
2. OHKO - Verb
OHKO (plural OHKOs)
(video games) An instance of defeating an opponent with a single attack; a one-hit knockout.
OHKO (third-person singular simple present OHKOs, present participle OHKOing, simple past and past participle OHKOed)
(transitive, video games) To defeat with a single attack.