Thing to bash at a bash (6)
I believe the answer is:
pinata
'thing to bash at a bash' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for pinata that I've seen before include "Smashed party guest" , "Container suspended from a height for blindfolded children to break open with sticks" , "that's broken at party" .)