From Longman Dictionary of Contemporary Englishtub-thumpingˈtub-ˌthumping adjective [only before noun] British English informalPERSUADE trying to persuade people about your opinions in a loud and forceful way He is still addressing rallies in his usual tub-thumping, arrogant way. —tub-thumping noun [uncountable] —tub-thumper noun [countable]
Examples from the Corpus
tub-thumping• He is still haranguing rallies in the usual rabble-rousing, tub-thumping, arrogant and abrasive way.• He's running for Congress as an old-fashioned tub-thumping liberal. 