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2 definitions by Toust

 
1.
A slang term for hallucinogenic mushrooms, as a phonetic pronunciation of "psilocybin," the psychoactive substance that makes these mushrooms hallucinogenic. It is commonly used on Shakedown Street to avoid detection by the cops.
Hey? Anybody seen Silly Simon?
by Toust April 28, 2010
 
2.
A slang term for marijuana. Often used at festivals, heard on shakedown street when trying to find the stuff without being found by the Fuzz.
Yo! Anybody seen Gary? Gary Green?
by Toust April 28, 2010