pick up your marbles and go home
pick up (one's) marbles and go home
To abandon or withdraw from a project, situation, or activity in a petulant manner because one does not like way in which it is progressing. It seems that the governor is ready to pick up his marbles and go home if the state senate isn't willing to increase the funds for the redevelopment scheme. The danger of relying on a private organization to fund a political campaign is that they may pick up their marbles and go home if the candidate doesn't do everything that's in the company's interest.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
pick up your marbles and go homeAMERICAN
If you pick up your marbles and go home, you leave a situation or activity in which you are involved because you are angry about what is happening. They called it the dirtiest Olympics ever and briefly threatened to pick up their marbles and go home. Note: You usually use this expression to suggest that someone is wrong to do this. Note: The reference here is to a player in a game of marbles who is annoyed about losing and therefore stops playing and takes the marbles away so that nobody else can play either.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
pick up your marbles and go homewithdraw petulantly from an activity after having suffered a setback. informal, chiefly US
The image here is of a child who refuses sulkily to continue playing the game of marbles.
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