Beat to a pulp
I believe the answer is:
mash
'beat to a pulp' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for mash that I've seen before include "dish of veg" , "Brew or infuse (tea)" , "Crush, potatoes say" , "Black comedy film set in Korean War" , "TV series" .)