權貴之人,大亨
Bigwig \Big"wig`\, n. [Big,a.+ wig.] A person of consequence; as, the bigwigs of society. [Jocose] In our youth we have heard him spoken of by the bigwigs with extreme condescension. --Dickens.
bigwig n : the most important person in a group or undertaking [syn: {kingpin}, {top banana}]