己: (archaic) oneself / 己: (humble) I / 己: (derogatory) you (to a subordinate) / 己: (derogatory) you

己: (derogatory) son of a bitch

reflexive pronoun: oneself / first-person pronoun: I, me / second-person pronoun: you

An interjection expressing anger or chagrin

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

What? What did you say?

whatchamacallit, X

what

What?, Huh?

what / that thing (used in place of words you can't remember at the moment.)