If you were looking for a about a specific person named "Don Xhoni" arrested for cocaine, please provide more context. Otherwise, the reference is almost certainly the Unikkatil song from 2008.
Based on linguistic analysis, this phrase is in . Translated directly, "Kokaina" means Cocaine, "don" is a first name (Don), and "Xhoni" is the Albanian transliteration of the name "Johnny" (similar to "Gxho-ni"). kokaina don xhoni