that's done it

that's done it!

1. (UK, informal) Used to express annoyance or announce that one has reached the limit of one's patience or temper.
2. (idiomatic) Used to announce a successful solution to a problem.

• that's torn it
• that dit it
• that does it

• “that's done it”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “that s done it”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
• “that s done it” (UK) in Macmillan English Dictionary.
• “that's done it”, in Collins English Dictionary.