### Clue: A child of the Fourth Estate endlessly partying in Zermatt, say? (5-3)
### Answer: APRES SKI 
 ### Explanation: Definition: partying in Zermatt, say
 A + PRESS(the Fourth Estate;the news media, specifically printed journalism) as an adjective of "kid"(a child) **minus its last letter**(endlessly).
Defn: Night partying in a ski resort, an example of which;say, is Zermatt in the Swiss Alps.