A code word used by males to to notify other males in the area that an attractive female has come into viewing range. After all men have acknowledged her looks they then determine how she ranks on said "scale".
A secret way men scale a woman's attractiveness.
Rob: Kliph Scale!
Sal: Agreed, I give it a 7.
2. (At the Office)
Rob: Did you get that Kliph Scale report?
Sal: Yea, I rate its effectiveness about a 6
Rob: Na, at least a 7