better get moving

(one had) better get moving

1. Said when one is about to or needs to leave. Well, we'd better be going. It was lovely to see you, as always. Better get moving before I miss my train!
2. Said as an imperative to make (more rapid) progress on something, such as a project. You had better get moving if you're going to finish all of these cupcakes before the party. I better get moving on wrapping these presents. There are dozens of them!
See also: better, get, moving
Farlex Dictionary of Idioms.

(I'd) better get moving.

Inf. an expression announcing the need to depart. Jane: It's nearly dark. Better get moving. Mary: Okay. See you later. Bob: I'm off. Good night. Bill: Look at the time! I'd better get moving too.
See also: better, get, moving

(You'd) better get moving.

an expression encouraging someone to leave. Jane: It's nearly dark. Better get moving. Mary: Okay. I'm leaving right now. Bob: I'm off. Good night. Bill: Yes, it's late. You'd better get moving.
See also: better, get, moving
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (one had) better get moving
  • better be going
  • (one had) better be going
  • better get on my horse
  • (one had) better get on (one's) horse
  • all the better
  • all to the better
  • so much the better
  • ideally
  • be better placed
References in periodicals archive
As soon as you stop and say you're done, you look over at your competitors and see they are still moving, and you had better get moving, too."