The colloquial term (also "big shot" or "big wheel") is indeed "bigwig".
bigwig`s password is: tecnoligy123
Bigwig - band - was created in 1995.
The word for an "Oxford bigwig" would likely be don.
bigwig
that would probably be a "Sheikh", i doubt i would call him a bigwig to his face though :)
Imam
Bud Selig?
bigwig
Imam
an important person from the east
Fatcat; bigwig.
weakthy and arrogant