adverb: (Internet slang, text messaging) Abbreviation of of course. [(now rare) In due course; as a matter of course, as a natural result.]
adverb: (Internet slang, text messaging) Abbreviation of of fucking course.
noun: (fandom slang) Acronym of original female character.. A female original character.
noun: (military, law enforcement) Abbreviation of officer. [One who has a position of authority in a hierarchical organization, especially in military, police or government organizations.]