Bill interrupts frantic search for game (8)
I believe the answer is:
charades
'game' is the definition.
(charades is a kind of game)
'bill interrupts frantic search' is the wordplay.
'bill' becomes 'ad' (advertisement stuck on wall).
'interrupts' means one lot of letters goes inside another.
'frantic' indicates anagramming the letters (I've seen this in other clues).
'search' with letters rearranged gives 'chares'.
'ad' placed within 'chares' is 'CHARADES'.
'for' acts as a link.
(Other definitions for charades that I've seen before include "Game in which answers are acted out" , "Party guessing game" , "Guessing game where words are acted out" , "Games like this" , "Miming parlour game" .)