The result of a massive shit taken in one's pants, where the amount of poop is so much that it has nowhere to go but out the top. Typically happens to babies in diapers but it is also known to have occurred with fat, drunk bitches who can't get out of pants that are too tight in time to take a shit.
Person 1: What's all that brown stuff coming out of that chick's pants?
Person 2: I think she just back shat herself.
Person 2: I think she just back shat herself.
by The Hot Karl January 1, 2011
Get the back shat mug.When you have to take a shit and there is nowhere to go so you have to pop a squat but take a shit instead.
The other night James was on his drive home and suddenly had to take a shit. To avoid shitting in his pants, not to mention his car, he pulled over to pop a shat.
by Charles Quinn May 23, 2007
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The idea that when a person says "I have to pee" the people around her develop a need to go to the bathroom as well.
<person 1> "I really need to pee"
<person 2> "Damn, now I need to too"
<person 3> "Thus the Shanza effect is set in motion, I have to pee too"
<person 2> "Damn, now I need to too"
<person 3> "Thus the Shanza effect is set in motion, I have to pee too"
by Michelle McCullar October 25, 2005
Get the The Shanza Effect mug.by Jonathon M. Coatsworth January 1, 2009
Get the Shat Attack mug.by Tryard December 18, 2008
Get the Shat Attack mug.Shahzaib is funny and cool to hang around he can sometimes be shy but has many friends and family that love him he has blonde hair and brown eyes he is super generous and loves a girl called minaal and minaal is very luck
by Jhonny676 July 10, 2017
Get the Shahzaib mug.Shah means “the most beautiful” and Zain means “the most handsome” ShahZain/ Shah Zain is a great person and has lots of dreams and secrets. They are mostly a Virgo born on august.
by TheRealDefinator April 17, 2021
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