What is the meaning of "run something up the flagpole"?

The meaning of "run something up the flagpole" is:

test an idea and see if it’s popular


What is the definition of "run something up the flagpole"?

The definition of "run something up the flagpole" is:

test an idea and see if it’s popular



"run something up the flagpole" means

test an idea and see if it’s popular

Example Sentences:

Before I told my boss the new idea, I ran it up the flagpole with my coworkers. They didn’t like it.

Before we decided on a vacation spot, my father ran it up the flagpole with my family to ask them where we should go.

Before I tell everyone else, do you mind if I run it up the flagpole and see what other people think?

Flagpole