Bigshot

10 clues
VIP
Nabob
Honcho
Muckety-muck
One in charge
Important person
High-muckety-muck
Influential person
Important person (with a large cannon?)
Billy Joel hit that begins "Well you went uptown riding in your limousine
Similar answers:
Abig
Abigail
Abigailadams
Abigaildeanwill
Abigails
Abigailvanburen
Abigailwilliams
Abigbangmay
Abigdealoutofit
Abigswarmofmorays
Abigturnoff
Actbig
Actedbig
Actedthebigcheese
Administershots
Airshot
Akindofgolfshot
Aldershot
Ambigenal
Ambiguity