The scale that measures female beauty and craziness. One being "wtf is that nasty ass thing" and 10 being "damn gurl you got a it going on"
Dude1:"hey I was thinking of asking beth out"
Dude2:"u must b tripping she like a 1 on the 1-10 female attractiveness scale. She so ugly there's no real proof she's female. That other girl is like a 9 have u seen dat ass"