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1.
general description of pretty much anything. could be a pen,phone, playstation controller, drugs, ect.
"Yo, hand me the Jawnski."
by Jason McKinney October 06, 2003
 
2.
a form of the philly slang word jawn
"how the fuck am i supposed to work this jawnski?"
"i'll be there in 5, i gotta pick up my prescription jawnskis"
"can you pass me that spork jawnski?"
by hiphophead239847 October 23, 2009