Top Definition
That wonderful sensation when you're on mushrooms when it feels like you've got a pressurized CO2 tank full of ass-rip in your pants. And your stomach feels like there's a rock inside of it. These farts reek so bad that they could kill a small child or pet.
"Dude. I'm freaking out my stomach hurts."
"Just rip-ass dude, you've got the psilocybin farts."
by Clay imp February 28, 2009
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