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1.
(Noun) - A Jewish Honky, hence Jonky.
(Waiter) - 'That Jonky skipped out on leaving me a tip'
by Mr. 12Level February 17, 2010
 
2.
Particularly dirty, smelly, train-hopping junkies.
I was trying to enjoy an espresso at the cafe the other day, but the smell of those jonkies who always hang out on the corner absolutely ruined it.
by Nathan Piazza April 30, 2004
 
3.
Verb: Something unpleasant, or doesn't feel right.
My wrist feels Jonky.
by Anna Suzahara May 11, 2005