Drink six-pack wearing short article (7)
I believe the answer is:
absinth
'drink' is the definition.
(absinth is a kind of drink)
'six-pack wearing short article' is the wordplay.
'six-pack' becomes 'abs' (short for abdominal muscles).
'wearing' becomes 'in' (in jeans or in a dress).
'short' means to remove the last letter.
'article' becomes 'the' (the definite article in English).
'the' with its final letter taken off is 'th'.
'abs'+'in'+'th'='ABSINTH'
(Other definitions for absinth that I've seen before include "Potent liqueur, originally made with wormwood" , "Shrubby plant" , "Strong liquor in baths, strangely" , "(Originally) a wormwood-based liqueur" , "Strong green alcoholic drink" .)