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Shape up or ship out

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Shape up or ship out.

Fig. Either improve one's performance (or behavior) or leave. (Used as a command.) Okay, Tom. That's the end. Shape up or ship out! John was late again, so I told him to shape up or ship out.

See also: out, shape, ship, up

Shape up or ship out.

  (informal)

something that you say in order to tell someone that if their behaviour does not improve, they will have to leave This is the third serious mistake you've made this month. It's not good enough - you're going to have to shape up or ship out.

See also: out, shape, ship, up

shape up or ship out

in. improve or get out. I’ll tell you one more time. Shape up or ship out!

See also: out, shape, ship, up