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

whatchamacallit, X

What? What did you say?

as far as ... is concerned; in terms of ...

a target, a mark, a bullseye / an objective, an object (of doing something)

what number, how many (used with a counter) / (used with も) many (used with a counter)

nothing

what is this?

if you don't mind, if you like, if you're so inclined

above all / no matter how you say it / at any rate / after all is said and done