No fat-eater! (4,5)
I believe the answer is:
jack sprat
(Other definitions for jack sprat that I've seen before include "One leaving fat" , "He ate only lean" , "He ate no fat" , "he stuck to a fat-free diet" , "His wife could eat no lean" .)
I believe the answer is:
jack sprat
(Other definitions for jack sprat that I've seen before include "One leaving fat" , "He ate only lean" , "He ate no fat" , "he stuck to a fat-free diet" , "His wife could eat no lean" .)