Used to express regret or disappointment about an unfortunate event or piece of information.

(archaic) But what does it matter; notwithstanding.

(archaic, colloquial) Of what kind.

Alternative form of what the eff.

Used to express surprise or amazement.

Dated form of what's going on (“expression of concern, asking for an explanation”).

(archaic) what's the time?

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.

(interrogative, vulgar, slang) An intensive form of what.

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