A thunderously loud (hence the name) stream of piss that is unleashed in either of the following two situations:
1) When you first wake up in the morning and have to piss so badly that you feel like your bladder is about to explode;
2) After you have consumed an abundance of alcohol in a relatively short period of time.
1) When you first wake up in the morning and have to piss so badly that you feel like your bladder is about to explode;
2) After you have consumed an abundance of alcohol in a relatively short period of time.
1) John woke up this morning, immediately staggered into the bathroom and proceeded to cut loose a devastating stream of thunderpiss.
2) After Frank polished off the coffee pot full of whiskey and coke in less than an hour, he sprayed the sidewalk with thunderpiss.
2) After Frank polished off the coffee pot full of whiskey and coke in less than an hour, he sprayed the sidewalk with thunderpiss.
by Roy "McClane" Rogers Part Deux May 27, 2011
Get the thunderpiss mug.Steve: "Mary Ann, I'm going to take a thunderpiss on our electric fence."
Mary Ann: "Have fun, swee -- wait, what?"
Steve: *background* "OH MY GOD!!!!!"
Mary Ann: "Have fun, swee -- wait, what?"
Steve: *background* "OH MY GOD!!!!!"
by Exoras July 7, 2006
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