Because if it were invented anywhere else, it'd be called teethpaste.
They don't know the difference between a bishop and a queen
You don't know? That's right, you know, because you weren't there, man!
She pronounces 'Kansas' like the second part of 'Arkansas'
Pump kin.
That thing hurts!
I remember when we used to make stuff in this lazy country!
Pretty much anything, just no Scope.
We can't even get FIVE DENTISTS to agree on a toothpaste. That's why.