Definition of that does it! in English:
that does it!
phrase
informalUsed to indicate that one will not tolerate something any longer.
- ‘That does it! Let's go!’
- ‘‘Well, that does it!’ Tyler said. He brushed past Josh and out of the room.’
- ‘I was already deciding whether to unlock the door or not, but that does it! I'll stay here until it kills me, do you hear?’
- ‘All right, that does it! I want to know what's behind that door.’
- ‘That does it, I'm going to bed.’
- ‘That does it! I quit!’
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