The rubric used to rate women. (Face, Legs, Ass, Rack) Each criteria is rated separately but is added all together in the end.
Each is worth 3pts. for a grand total of 12
Guy 1. Dude check out her! Shes a 10 on the F.L.A.R. scale.
Guy 2. Ya. Her face and ass is a three but her rack and legs are two.