verb (used without object) Informal.
to promote something or express opinions vociferously.
a vociferous supporter or promoter, as of a cause.
Origin of tub-thumper
First recorded in 1655–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for tubthumping
Contemporary Examples of tubthumping
Democracy triumphed on a night which could easily have fallen foul of revenge, tubthumping and cynical bankrolling.Welcome To The Suck
November 14, 2012
a noisy, violent, or ranting public speaker
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012