flag-waving
nounUK /ˈflæɡˌweɪvɪŋ/
US /ˈflæɡˌweɪvɪŋ/
Showing you love your country by waving its flag.
The parade was full of flag-waving and cheering.
OTHER MEANINGS
2. The act of waving a flag or flags.
The crowd's flag-waving lasted all afternoon.
3. Loud, showy support for a cause or team.
There was a lot of flag-waving for the new plan at the meeting.
4. Excessive or aggressive patriotism.
Critics called the speech mere flag-waving.