Used to argue that something's name is arbitrary and does not give any information as to its qualities; the names of things do not affect what they really are.

(slang) What happened, is happening, or is going to happen? Why did something happen or is someone acting a certain way?

(UK, informal) How much do you want to bet that …?

A request for advice or instruction on what should be done. / A request, usually rhetorical, to know what, in a series of negative events, is the next negative event occurring.

(archaic) what's the time?

(informal, humorous) How much does it cost?

(slang) What's going on? What are you trying to pull? (said when one is suspicious of someone else)

(slang) What's going on? How are you doing? What's new with you?

Alternative form of wha gwan

(humorous, euphemistic) An interjection to express surprise or amazement, typically in place of what the fuck.