Tilt; skinny (4)
I believe the answer is:
lean
This clue is a double definition.
'tilt' is the first definition.
(I know that tilt can be written as lean)
'skinny' is the second definition.
(similar in meaning)
(Other definitions for lean that I've seen before include "Containing little fat" , "Unproductive" , "Incline, bend" , "Incline; without fat" , "without success" .)