Sentence examples for flag-waving from inspiring English sources

The term "flag-waving" is usable in written English and is well written.
It is often used to describe overt displays of patriotism or support for a cause, typically in a somewhat critical or dismissive context. Example: "The politician's flag-waving during the campaign seemed more about gaining votes than genuine patriotism." Alternatives include "patriotic display" or "nationalistic fervor."