We are the experts!

Watch me as I talk myself out of this one!
A man walks down the street and he knows nothing!
He is not an expert like me, I know all about it!
Let me explain to you, my brand new theory!
Guarenteed to be correct, cos I am the expert!
Let me spin my cane and raise my top hat!
Come one come all and marvel!
My ability to analyse this situaion accurately!
Guarenteed to be correct, cos I am the expert!