Toper (7)

'toper' is the definition.
(synonyms)
This is all the clue.
(Other definitions for drinker that I've seen before include "Consumer of liquid, probably alcohol" , "Imbiber, toper" , "Tippler" , "Inebriate" .)
'toper' is the definition.
(sot is a kind of toper)
This is all the clue.
(Other definitions for sot that I've seen before include "Toper" , "Lush" , "Habitual drunkard" , "Boozer" , "Habitual drinker" .)