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A large, china mug with a fitting lid that fits under a bed. It is for night-time use when a person does not want to walk downstairs and outside to the kybo.
Mrs. Galloway did not want to go out into the snowstorm, so she used her thunder mug.
by Joao Bufamarillo May 13, 2005
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2
a small plastic pail or bucket used during especially long road trips to substitute as a poor man's toilet stop
paul-hey john, how long until the nearest bathroom break?
john-sorry man, we took one when you were sleeping in the car
paul-damn...well someone pass me the thunder mug, i've gotta take a huge dook
by i.am.aquaman June 08, 2004
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3
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!'"
by J E. Walker April 26, 2003
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5
A small cannon placed on the ground in the manner of a coffee cup. The fuse is placed in the vent hole and flash powder is placed in the main bore. Produces a thunderous explosion and can be refilled time and time again. Thunder mugs have been in use for hundreds of years. Also a name for an under-the-bed toilet from the out house days so people didn't have to venture out at night.
His thunder mug launches golf balls hundreds of yards in the air.

They fired the thunder mug at half-time and I could hear it at the frat house !

Did you hear grandma on the thunder mug last night ?
by Boilerman420 June 15, 2012
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6
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.
by Nattoolee May 08, 2018
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7
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.
by MHL425 December 18, 2014
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