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A situation where you have to poop solo bad that it is going to be triggered by anything. It could be triggered by laughing, bending over, sitting down, walking or talking.
Babe you better drive home fast because I have trigger diahrea and it's going to come out fast.

Aka T D when you have to shit soo bad that saying trigger diarhea could set it off.

I had to clench my ass cheeks so hard and slowly walk to the bathroom because I was about to have trigger diahrea.
by Rideordie72 October 05, 2017
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