Keep this up when you're down
I believe the answer is:
chin
(Other definitions for chin that I've seen before include "hit" , "Keep it up and be optimistic" , "Punch to the face" , "'... up, stay cheerful (4)'" , "Lower face part" .)
I believe the answer is:
chin
(Other definitions for chin that I've seen before include "hit" , "Keep it up and be optimistic" , "Punch to the face" , "'... up, stay cheerful (4)'" , "Lower face part" .)