It's on
Meaning
The phrase 'It's on' signals that a plan, event, or contest is confirmed and happening. It often marks the start of a challenge or conflict, like saying 'game on'.
Examples
My advice to you is not to inquire why or whither, but just enjoy your ice cream while it's on your plate.
In Paris, one is always reminded of being a foreigner. If you park your car wrong, it is not the fact that it's on the sidewalk that matters, but the fact that you speak with an accent.
The majority of people perform well in a crisis and when the spotlight is on them; it's on the Sunday afternoons of this life, when nobody is looking, that the spirit falters.
We need to talk. All of us. About what we're going to do now." "I was going to watch Project Runway. It's on next.
Let freedom ring, unless it's on vibrate.
Much has been written about Generation X and the films about it. Clerks is so utterly authentic that its heroes have never heard of their generation. When they think of "X," it's on the way to the video store.