Adjective
off and running (not comparable)
(idiomatic) Launched or launching vigorously into a course of action.
I got space from Travis Air Force Base, went back to the Philippine Islands and made it a point to meet the only American casting director in the Philippines. I was off and running. R. Lee Ermey
As soon as I could put together the, you know, three or four notes that made up, like, sort of a rock and roll lick, you know, like a Chuck Berry kind of thing, I was off and running. Just completely taken over. Slash