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.
Verbeter jou uitspraak
Skryf hierdie woord
Oefen om " wonk " en baie ander woorde en sinne in Engels .