Party with a group of journalists — kids, not half! (5-3)
I believe the answer is:
apres-ski
'party' is the definition.
Both the answer and definition are adjectives. Perhaps there's an association between them I don't understand?
'a group of journalists kids not half' is the wordplay.
'group of journalists' becomes 'press' (newspaper journalists).
'not half' indicates taking half.
'kids' halved is 'ki'.
'a'+'press'+'ki'='APRES-SKI'
'with' acts as a link.
Can you help me to learn more?
(Other definitions for apres-ski that I've seen before include "Concerned with activities after a day on the slopes" , "socialising in Davos?" , "Winter sports social" , "party activity" , "Alpine resort party" .)