Prepared, ready, or primed to begin or complete a task at hand.

Is Ready Set Go an idiom?

An instruction to begin something, typically some kind of competition. The phrase is commonly used at the beginning of a race to indicate when the competitors can start.

What does on to go mean?

on the go Add to list Share. On the go means you're either traveling or just zipping around being busy. If you're catching the next flight, you're on the go. If you're running around all day getting ready for a birthday party, you're on the go, too.