When an individual takes 3 shits in a single day. Like a hat trick, it is very difficult to achieve but very satisfying when finally done.
Steve: Yo Matt, I finally took 3 shits in one day!
Matt: HOLY S#%T that's a Shat trick!

Steve: Matt I have finally achieved a Shat Trick!
Matt: Damn, I was so close last night but couldn't push the third one out!
by KhaosKid August 30, 2011
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From sports lingo, a shat trick is pooping 3 times in one day.
That Mexican I ate last night didn't sit well. Counting the cock a doodle poo and the two times at work, I got a shat trick today.
by Nathan Burns September 18, 2006
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a 14-year-old girl on vacation in North Carolina with her family who tells boys she is 16 so they'll waste their time paying attention to her and her overgrown titties. Usually a huge tease and often has an overprotective father who she hates. bitch.
Gimme my hat back you trick shat.
by JoKa11 October 28, 2007
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Flushing three times during a single pooping session.
I'm not trying to waste water Mom, but after the courtesy flush, the primary disposal, and a leftover floater, I had a shat trick.
by Harrison_Bergeron February 4, 2023
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Having 3 (or more) bowel movements in a 24 hour period.
The hot dog eating contest sent me to the bathroom twice by 4:00. By 6:00 I was going for the shat trick..
by Galacticswine January 26, 2021
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