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1.
Ukrainian noble family name. Denotes hands-on approach, knowledge and helpfulness.
When in doubt, ask chernyak as he knows how.
by Slava Dobrolud May 30, 2007
 
2.
Is not a jew. See pritish
He is a buddhist Monk
by dasjfa April 08, 2003
 
3.
Noun

Used in Russian, a word depicting a no hoper ie. drug addict and squatter.
Damn that fool spends all his time and money on smack and blow and wants to crash at my place tonight, he is a real Chernyak!