put up or shut up
idiomPart ofput
put up or shut up — idiom
1. You use this to tell someone to stop talking and actually do what they say they
1.idiom
Definition
You use this to tell someone to stop talking and actually do what they say they will do.
Example
If you think you can win, put up or shut up.
The manager told the team to put up or shut up about their complaints.