Pantomime game (8)
I believe the answer is:
charades
'pantomime game' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for charades that I've seen before include "Guessing game where words are acted out" , "Miming games" , "Game in which answers are acted out" , "Miming parlour game" , "Party guessing game" .)