1. OTK - Noun
2. OTK - Adjective
3. OTK - Verb
OTK (not comparable)
(BDSM) Initialism of over the knee (spanking position).
OTK (plural OTKs)
(collectible card games) Initialism of one turn kill.
OTK (third-person singular simple present OTKs, present participle OTKing, simple past and past participle OTKed)
(collectible card games, transitive) To defeat a player with a one turn kill.