Definition of vote with one's feet in English English dictionary
To express one's preferences through one's actions, by voluntarily participating in or withdrawing from an activity, group, or process
The conventional wisdom ca. 1980 was that if an investor did not like the way a firm was managed, she could vote with her feet, moving her money elsewhere.
express one's disapprobation by leaving; public display of sympathy or opposition carried out as a mass demonstration or march