Noun (Verbal Noun, Transitive Noun, Countable Noun. Plural: monster shits)

1) (Verbal Noun). The act of defecating particularly large or stubborn feces from the digestive tract via the anus (in this context the feces are usually solid, but sometimes the feces can be semisolid or even liquid and still qualify as a monster shit).

2) (Noun). The feces itself that resulted from the monster shit. To safely qualify as a monster shit the feces must be remarkable in some way, such as having an unusually large mass, density, texture or any other obvious quality which identifies it as a remarkable bowel movement.

Also of note is that some people claim to have laid a monster shit, when in fact it was only an above average bowel movement. The stress of laying above average feces may make the resulting feces seem larger than they are. Applying the valsalva maneuver by holding your breath and "pushing" to force out firm feces can heighten the senses, making your anus hyper sensitive which can give the impression that your shit is larger or more monstrous than it actually is.
1) "I can't talk now Jane, I am taking a monster shit and it requires my complete attention so I will have to call you back"

2) "I wouldn't go to the garden shed for a little while, Bobby got high again and laid a monster shit right on top of your lawn mower"
by Jaykea June 30, 2009
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When A Really Fat/Obese Man Fucks A Girl In The Ass So Hard That They Shit, Thus Making The Man Really Horny And Smears It All Over Himself Then Eating It
Man I Totally Just Got Done Poop Monster Shit Fucking This Really Hot Babe
by CaptnDesDes December 13, 2010
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a monster that rises from the toilet to put shit in your mouth
a shit monster almost killed a friend of a friend of a friend of a friend of mine
by asspro67 October 4, 2005
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when you take a shit and it is formed into a bunch of pieces that when looked at all together look like a monster.
oh man, today I was shitting monsters.
by armyman1982 April 6, 2010
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Person who has a poo that explodes like a pyroclastic flow out of a volcano, causing large amounts of shit stains all over the bowl. When the toilet is flushed the water does not reach all the shit stains.

The person also does not have the decency to clear up afterwards. The smell afterwards is so putrefying that it makes your nose bleed.
OMG don't let that girl use your toilet, she's a shit-monster!!

looks like the shit-monster has struck again!!
by al copella May 30, 2011
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