"Doggone!” (4)
I believe the answer is:
darn
'doggone' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for darn that I've seen before include "Mend a hole in a sock" , "Stitch" , "Repair (sock)" , "Mend (knitted material)" , "Mend with a needle" .)