English Reference
Idiom idiom

shape up or ship out


To either improve one's behavior or else be required to leave; to either improve one's performance in an activity or else withdraw from that activity completely.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

You must shape up or ship out if you want to keep this job.

CONTEXTUAL

The coach told the lazy players that they needed to shape up or ship out before the next big game.

COMPLEX

Faced with declining productivity and repeated warnings, the manager informed the team that it was time to either shape up or ship out.


disputed origin

WWII American military slang: perform properly or be shipped out to a combat posting or discharged.


Related idioms8entries
  1. 01

    bash into shape

    Of an item, to fix or build it; often in a rough and ready fashion.

  2. 02

    get bent out of shape

    To take offense; to become angry, agitated, or upset.

  3. 03

    in any way, shape, or form

    In any way at all; whatsoever.

  4. 04

    lick into shape

    To exert considerable effort to change (someone or something) into a desired state.

  5. 05

    one's ship comes in

    One makes or comes into possession of a significant amount of money.

  6. 06

    shape up

    To improve; to correct one's bad habits or behavior.

  7. 07

    sinking ship

    Something which is doomed; an impending debacle; an ongoing disaster.

  8. 08

    steady the ship

    To bring under control.

Last updated August 10, 2026