Charlie, high, drained explosive beverage (6)
I believe the answer is:
coffee
'beverage' is the definition.
(I know that coffee is a type of beverage)
'charlie high drained explosive' is the wordplay.
'charlie' becomes 'c' (phonetic alphabet: alpha, bravo, charlie etc.).
'high' becomes 'off' (I've seen this in other clues).
'drained' suggests removing the centre.
'explosive' with its middle removed is 'ee'.
'c'+'off'+'ee'='COFFEE'
(Other definitions for coffee that I've seen before include "Common drink" , "Beverage from beans" , "Barista's product" , "Popular bean drink, maybe instant" , "Hot beverage" .)