What is a "bitch on wheels"? What is the purpose of the "on wheels"?
What does this mean?
It makes it more emphatic. No, it has no literal meaning, it just intensifies the "bitch" part. You'll see it in a lot of expressions.
(Reminds me of an excellent My Life With the Thrill Kill Kult song -- Sex on Wheelz.)
(Reminds me of an excellent My Life With the Thrill Kill Kult song -- Sex on Wheelz.)