2 definitions by Bet you didn't see that cummin

A suprise shit is when you are doing something that isn't defacating(shitting) and suddenly have the urge to rain down heavenly fury upon the nearest toilet. Every so often it is just a fart. However, i would advise you to take no chances. See also shitting your pants
"Hey mike, what's up?"
"I thought i had to fart yesterday while having sex with my girl, bit it was actually a suprise shit..."
"... You can crash at my place for awhile."
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Believe it or not, shitting your pants is exactly what it sounds like. It's when you shit in your pants. See also suprise shit
"Hey don, how was math class?"
"Mr. Hendricks wouldn't let me use the bathroom so I ended up shitting your pants*."
"... I can get your notes for the rest of the week."
*i wanted to put down shitting my pants, but the UD wouldn't let me
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