dog; canine / one who is loyal (like a dog) / a spy

what

anything; whatever one likes

any

What?, Huh?

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

What? What did you say?

whatchamacallit, X

犬, 狗: dog / 戌: the hour of the dog; a historical duel-hour equivalent to 7PM - 9PM

率寝: / 寝ぬ: to sleep / 去ぬ, 往ぬ: to leave