Go halves in teen beer orgy (6)
I believe the answer is:
energy
'go' is the definition.
(thesaurus)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for energy that I've seen before include "Vivacity" , "Gusto" , "Strength, vitality" , "Healthy capacity for vigorous activity" , "Vitality, power" .)