Go past special drinks (4)
I believe the answer is:
laps
'drinks' is the definition.
(I know this)
'go past special' is the wordplay.
'go past' becomes 'lap' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'special' becomes 'S' (common abbreviation as in Special Air Service).
'lap'+'s'='LAPS'
Can you help me to learn more?
(Other definitions for laps that I've seen before include "Circuits of a racetrack" , "Scoops up with the tongue" , "Drinks; circuits" , "Pals doing rounds of the track" , "Circuits of track" .)