Also, junky hot.
1. Defining the physical build of someone so thin that they're probably be on massive drugs like methamphetamines.
2. Having the physical appearance of a skeleton.
3. Describing an unhealthily thin person who, if you were drunk enough, you would undoubtedly seduce into bed.
That chick you picked up the other night? Yuck!
You didn't think she was hot?
Um, yeah...she's so thin she's junkie hot.