small-framed 

Being small-framed means your bones are thinner than normal.

Guy 1: Dude, I like those petite teens, sexy af
Guy 2: What's petite?
Guy1: Petite means you're under 162cm and your body is small-framed.

small-framed by Some guy with a name September 7, 2016

smallframe 

noun ; one who has a very sub par physical appearance.

"we would have won the fight if Alf wouldn't have been such a smallframe"

smallframe by tonygindahouse December 18, 2004