flag waver
/flæɡ ˈweɪvər/
noun
- A person who shows strong, often excessive, patriotic or nationalistic feelings, especially in public or political contexts.
- My grandfather was a quiet patriot, not a loud flag-waver, but he loved his country deeply.
- The candidate tried to appeal to flag-wavers by emphasizing national pride in every speech.
- He's a real flag-waver, always posting patriotic quotes on social media.
Synonyms