Get your act together

Meaning

A blunt command to organize one's life or improve one's performance. It implies that a person is currently being chaotic or irresponsible.

Stern, corrective

Used in a sentence

• You really need to get your act together before finals week starts.
• The manager told the team they had to get their act together if they wanted to hit the bonus.
• I finally decided to get my act together and start a budget.