do something on somebody's/your terms
on (one's) (own) terms
In the manner or timeframe that one prefers. He went out on his own terms, retiring at the top of his game after only 10 seasons. Don't just accept this job because it would make your parents happy—you need to act on your own terms for once.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do something on somebody’s/your (own) ˈtermsdo something in a way that somebody chooses/you choose because they/you are in a position of power: They agreed to stop fighting, but on their own terms: all prisoners to be released, and talks to be held immediately.
Farlex Partner Idioms Dictionary © Farlex 2017