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2.
A person who enjoys defecation, leaving it for others to admire, considers it an art form, & likes to take it to the next level. Favorite places are on top of cars, on supermarket shelves, in food containers, & in his pants. Photographs of the deed are required for his gallery. He will leave it on his fingers, for others to unsuspectingly smell, or wipe them & stuff the napkin under his car seat because he's not afraid of shit. The look of terror when the unsuspecting come across his work delights him to no end. This may work him up so much that he will jerk off. If he does multiple dumps in one day, he may go looking for a street whore to bang before washing his hands.
Ron: I was at work today & the supermarket stunk.

Bill: What happened?

Ron: Some Mad Shitter left a dump on the shelf behind a wall of cans. It stunk everywhere in the store, but it was hard to find. I had to clean it up after we found it. The store still stunk when I punched out for the day.

Bill: Really? That's odd. When I went out to my car today a Mad Shitter had taken a dump on the windshield. Pissed me off worse when I saw the dents on the roof & hood from where he leaned when he was squatting.

Steve: Wow!! The Mad Shitter must be on a rampage. I was watching a movie the other night & eating a pint of ice cream. About a third of the way through the taste changed. I asked my GF to taste it. She said it wasn't right. I turned on the lights & checked it out. Why the hell would there be corn in Rocky Road? Man, the Mad Shitter is too good at his craft!!

John: I think the Mad Shitter left a gallery of photos of his work on the bulletin board at school. They all had times & dates on them. Some were covered in toasted coconut, some in sprinkles, one was in a cat box, another was a windshield with a wiper blade arm lodged in it. Many of them were just dumps on cars. One even looked like he fired a load off after taking the dump. The Mad Shitter must be stopped!!

Jim: Dude at school shit in his hand when it was down his pants, & pulled it out to show the whole cafeteria during lunch. He was laughing like a mad man. I'm pretty sure Udi is the Mad Shitter.
by Ehud Avni May 17, 2010
 
1.
A Mad Shitter will generally defecate in unusual areas such as hallways, offices, workshops, and the like. Such actions are meant either as amusing pranks, or as a method of retribution. There are references to the Mad Shitter in Stephen Coonts's Flight of the Intruder.
The Mad Shitter struck again! There's a giant turd on the boss's desk!
by dumpzilla August 27, 2006
 
3.
One who gloriously, with the devotion of a true fetishist, secretly takes a crap in the most daring, outrageous, and offensively visible place.
Read http://www.charm.net/~msaroff/shitter.shtml for more
The Mad Shitter took a huge dump on the boss's keyboard over the holiday. More astonishing than the size and uniform texture was the lasting and penetrating odor which took weeks to dissipate.
by whorfin July 19, 2008
 
4.
Someone who shits and leaves it for someone else to admire.
We discovered that Johnny was the Mad Shitter after he left the shithouse.
by King Roy March 23, 2005
 
5.
Someone whole likes to take a shit and not give the courtesy flush for the next toilet customer
"Ah hell...the Mad Shitter struck again!"
by Red Robin March 10, 2005