Whisky maker often caught coming in drunk (4)
I believe the answer is:
scot
'whisky maker often' is the definition.
(whisky is often made in Scotland)
'caught coming in drunk' is the wordplay.
'caught' becomes 'c' (cricket abbreviation).
'coming in' means one lot of letters goes inside another.
'drunk' becomes 'sot' (both can mean someone who drinks too much).
'c' inserted within 'sot' is 'SCOT'.
(Other definitions for scot that I've seen before include "A Caledonian?" , "Aberdonian perhaps" , "one from the North of Britain" , "Native of northern Great Britain" , "9 [KEIR HARDIE], say" .)