Bigwig: Such an Important Person!

bigwig.

bigwig is used to make fun of a person who feels important.  People never tell someone he is a bigwig. They only use the expression behind his back.

Big wheel is another way to describe an important person.  A big wheel may be the head of a company, a political leader, a famous movie star.  They are big wheels because they are powerful. What they do affects many persons.  Big wheels give the orders.  Other people carry them out.   As in many machines, a big wheel makes the little wheels turn.

rolled a big wheel if he was important and had influence.

top banana.   A top banana is the leading person in a comedy show.  The funniest comedian is called the top banana. The next is second banana. And so on.

kingpin is another word for an important person. The expression comes from the game of bowling. The kingpin is the number one pin. If hit correctly with the bowling ball, the kingpin will make all the other nine pins fall.  And that is the object of the game.