run one's own show
see under run the show.
What Is A “Self-Own”?There aren’t many better places, it seems, to celebrate the mistakes of others than on social media. Naturally, this is the arena where self-own has had great popularity. So, what does it mean?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.