That's the ticket.
[Slang] THAT'S THE TICKET. - Master Quaint Expressions for Perfect Moments
Exactly right
That's the ticket" is an old-fashioned English slang expression used to affirm that something is exactly correct or the ideal solution. It's like saying, "That's exactly what we needed!" in a cheerful, approving tone.
Example Sentences
That's the ticket, you've fixed it!
You've fixed it perfectly, that's exactly what was needed.
You won the game? That's the ticket!
You winning the game is exactly what was needed!
With that attitude, you're going places. That's the ticket to success!
With that positive attitude, you'll succeed. That’s exactly what you need!