Drink neat rum with endless voracity (5,3)
I believe the answer is:
green tea
'drink' is the definition.
(type of tea)
'neat rum with endless voracity' is the wordplay.
'rum' is an anagram indicator (rum can mean strange or unusual).
'with' is a charade indicator (letters next to each other).
'endless' means to remove the last letter.
'voracity' becomes 'greed' (I've seen this in another clue).
'greed' with its final letter taken away is 'gree'.
'neat' is an anagram of 'ntea'.
'ntea' after 'gree' is 'GREEN TEA'.
(Other definitions for green tea that I've seen before include "brew-up?" , "Infused drink" , "'Asian herbal drink (5,3)'" , "Beverage" , "Hot drink - teenager (anag)" .)