(idiomatic, colloquial) What did you say?; Huh?; expresses incredulity.

(idiomatic, colloquial) Used to indicate emphatic agreement

An introduction to a statement that will be brief, indicating that further discussion would be futile, too lengthy, too private, etc.

(slang) say what.

(colloquial) I say so; on my authority.

Sadly; unfortunately.

Apparently, according to others.

(idiomatic) It is my estimate or opinion.

(idiomatic) An imperative form used to request that the interlocutor indicate when one should stop doing something, esp. pouring a drink, because one has reached a sufficient amount.

Would be willing or glad (to have).