Slug alcoholic drink (5)
I believe the answer is:
punch
This clue is a double definition.
'slug' is the first definition.
(thesaurus)
'alcoholic drink' is the second definition.
(Other definitions for punch that I've seen before include "Blow with the fist" , "Alcoholic fruit drink" , "that would be attached to haywain for pulling?" , "Slug - mixed drink" , "Wife-beater" .)