(informal) combines with the verb stem to create an imperative as a kind of strong request

Used to give an order or command in a polite and instructive manner

(honorific) to do (honorific version of する)

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

What? What did you say?

imperative form of (honorific) look, see

whatchamacallit, X

? of 黙る: please be quiet

what

What?, Huh?