(idiomatic, US) Indicating an abrupt termination of a project, or of one’s hopes or plans.

(US, humorous, idiomatic) A joking retort, intended to draw attention to a previous statement which has the potential for a risqué double entendre.

(colloquial, idiomatic) Indicates the expression of a personal opinion, but often used ironically as an understatement.

that's all (there is nothing more to the issue) / yes!, exactly!, bingo!

(idiomatic) That's just right; that's just what is needed.

Used to express enthusiastic support for the referent of that.

Used other than figuratively or idiomatically: see that, is, all. / Used to undercut the force of a suggestion, fact, etc.; that is all I want to say; there is no more to it.

(UK, colloquial) That is the right person or thing; that's it.

Used to encourage someone's positive attitude.

Used to indicate that the activity being engaged in has just ended.