The obvious ones are when her rib cage is showing through where her breasts should be.
But what are the points where you think a girl is too skinny? What defines "too skinny" for you?
Most Helpful Guy
When I look at her and think "If she'd get knocked over, she'll break into pieces"0
Most Helpful Girl
Here is an image that i think maybe the acceptable skinny weight for both man and women anything less is a disease but I know people who maybe skinny like that coz of metabolisms or not eating enough to gain weight but eat just enough to maintain the same weight with out gaining images2.freepeople.com/.../20289914_070_d0