Sparks - Big Boy

The earth is shaking, so am I
If you don't run, it's suicide
Big Boy, Big Boy
My name is David, he don't care
He's never nice, he's never scared
Big Boy, Big Boy
Big Boy comes around
Throws his weight around
Throws our girls around
Leaves without a sound
Big Boy, Big Boy
He's well-equipped, the girls are sure
Is that a guess, or something more