Because it is not called a teethbrush.
I am the one who Knock-knocks.
Instead of 'knock knock', they say, 'Arrr you there !'
Because if it were invented in the North, it'd be called the teethbrush!
Cause it was invented in Alabama! Inspiration came from the comments(http://mobile.reuters.com/article/idUSKBN0GP1NS20140825 irpc=932)
Cause if it was invented anywhere else it'd be called a teethbrush.
West Virginia, anywhere else it would be called the teethbrush
People got lit and turnt.
It caused a revolution.
They're inbred.