Used to introduce a suggestion or proposal for a future event. / Used to introduce a speculation about a future event.

(idiomatic) Or something else; allows for the existence of an unexpressed alternative to what was said.

(idiomatic, colloquial, usually with "give someone") An unspecified punishment or rebuke

For what purpose. / (colloquial) For what reason; why.

(interrogative) Which, especially which of an open-ended set of possibilities. / (relative) Which; the ... that. / (relative) Any ... that; all ... that; whatever.

What is. / What has. / What does.

(Manglish, Singlish) Emphasizes the truth of an assertion made to contradict an evidently false assumption held by the listener.

(interrogative) Which thing, event, circumstance, etc.: used in asking for the specification of an identity, quantity, quality, etc. / (fused relative) That which; those that; the thing(s) that.

(obsolete, uncountable) Something; thing; stuff. / (countable) The identity of a thing, as an answer to a question of what.

An expression of surprise or disbelief. / What do you want? An abrupt, usually unfriendly enquiry as to what a person desires.