A businessman is driving through a small town when he suddenly needs a haircut.

Brunette: “Bourbon and Coke.”

Redhead: “And, I’ll have a G and T.”

Bartender: “What’s a G and T?”

Redhead: “Gin and tonic.”

Blonde: “I’ll have a 15.”

Bartender: “What’s a 15?”

…

.. . Blonde: “7 and 7”