A fork of Rural Dictionary
A toilet. previously the pot inside of the comode console- so named because of its echo chamber effect
" I was sitting on the thundermug and alluhthesudden...' BRRRPOOMMMPPPP-FAZzzzz!'"
A fart that deploys with such thrust when on the toilet forces a splash of water onto ones ass.
I thought I had to shit but when I hit the toilet I exploded a thundermug fart that wet my ass.
The beer you are chugging while gracefully halling ass down a mountain slope.
She/he had their thundermug in hand while getting some gnarly speed.