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Someone who's never, ever, heard of a courtesy flush and chooses to leave a steamer just sitting in the bowl for the duration. Once they're done and gone their shitcasso is composed of different streaks and smears down the bowl for the next user to "observe and enjoy."
I had to take a gnarly shit and they dude before me left a heinous shitcasso
by Incinerator317 March 25, 2014
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A painter typically between the ages or 2 to 3 years old, who paints the walls or crib in their room with shit.
I cant believe this little shitcasso has left me another work of art tonight.
by Casually Cool July 08, 2017
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