Top definition
A person who likes to take drugs, mainly heroin. They look all fucked upp.
Me: WTF! Get out of my backyard! Fucking Yonkie!
Yonkie: I am not a yonkie! *Sniff* I just like the feeling of empty syringe.
Me: Yeah right! And what's that? I'm gonna tell you, that's HEROIN, FUCKING YONKIE!
by Maniac_88 March 18, 2006
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