American English student slang 1954; perhaps navy slang before that. "Expert" sense popularized in the Clinton administration, 1993. Origin uncertain, possibly from wonky (“shaky, unreliable”) or wank, wanker or simply expressive.
Bilêvkirina xwe baştir bike
Vê peyvê binivîse
Axaftin û jiberkirina " wonk " û gelek peyv û hevokên din di îngilîzî .