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2.
One who abuses drugs to the extent that their brain becomes a pile of shit.
-"Does your hardware store sell rolling machines?"
-"No, you motherfucking pronkus. It's a fucking hardware store."
by Kyle Mcnair February 09, 2007
 
1.
One who abuses drugs until their entire brain melts
Someone who writes his name on his baggies and brings them to school (Kyle McNair) is a pronkus.
by KyleMcNair March 20, 2007
 
3.
A large penis. Usually refers to one with with a large penis that snakes onto other mens girlfriends.
That padjo snake has a large pronkus
by Pronki August 17, 2011