PHRASE And that's that/and that's final Meaning: We use th | English Idioms

PHRASE

And that's that/and that's final

Meaning:
We use this expression to say we definitely won't change a decision we have made.

Example sentences:

X: Can I go out with Kenny tonight? He's going to the cinema.
Y: No, you're going to stay and help me, and that's final.
X: Everybody has got an MP3 player at school! I want one.
Y: Well I'm not buying you one now, and that's that.