that's the ticket

buy a ticket to

Used to indicate that someone is in agreement with an assertion, statement, or suggestion.

E ticket

Something very thrilling or exciting.

golden ticket

A qualification, person or thing that can provide positive opportunities.

meal ticket

Someone or something that provides income or livelihood, especially as an exploited source.

one-way ticket to Palookaville

Something that results in failure or obscurity, with no chance at redemption; a dead end.

punch someone's ticket

To put someone, especially oneself, in a position to advance or to achieve a desired objective; to gain useful experience.

that's about the size of it

That is the situation; that is how it is.

that's all she wrote

Indicating an abrupt termination of a project, or of one’s hopes or plans.