They call me Mr. Knowitall
I will [bad word] 
I will not be told what to do.
I shall not step aside.

They call me Mr. Knowitall
I have no time to waste.
My mouth it spews pure intellect.
And I've such elegant taste.

They call me Mr. Knowitall.
I sup the aged wine.
Oh I could tell such wonderous tales 
if I should find the time.
I must be Mr. Knowitall
For ideas [bad word] in bounds.
I am Mr. Knowitall
Now spread the word around.

They call me Mr. Knowitall
I am so eloquent.
Perfection is my middle name
And whatever... rhymes with eloquent.