A scale used for rating girls by deciding how many Clydesdales it takes to rip her face off.
From the movie Air Heads
Dude if she was so hot, what did she rank on the Clydesdale Scale?
I would put it at 6
Damn thats hot
a unit of measurement used to determine how ugly a girl is.
Person 1: "What was she on the Clydesdale Scale?"
Person 2: "What the F' is the Clydesdale Scale?"
Person 1: "That's when you see how many Clydesdales it takes to rip her face off!"