nannorexic
when someone is so skinny that their skin starts to sag over the bones like a granny.
A: look at that girl! she's so skinny!
B: yeah i know, her skin is all saggy, ew.
A: she's nannorexic, eurgh.
B: yeah i know, her skin is all saggy, ew.
A: she's nannorexic, eurgh.