someone who is knowlegable enough of the
McDonalds menu that they can perform complex, on the
spot, calculations
giving exact totals before the cashier.
Mcdonalds worker: "hi, what can i get for you
today?"
Matt: "can i get a McChicken and a Big
Mac Combo, supersized and 2 double cheeseburgers on the side with a small
fry"
Dan: "dude, it's gonna be $16.78"
Mcdonalds worker: "that'll be $16.78 please drive up to the first window."
Matt: "holy fuck tits!"
Dan: "i know man, it's the McMatics!"