A good time going through Berlin (5)
I believe the answer is:
spree
'time going through berlin' is the definition.
'spree' can be an answer for 'time' (I have seen 'Unrestrained time ' mean 'spree' so perhaps 'time' could also mean 'spree'). I am not sure about the 'going through berlin' bit.
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for spree that I've seen before include "Wild spell of spending or drinking" , "Spending bout" , "Jollification" , "booze-up?" , "Splurge" .)