Slop slurper
I believe the answer is:
hog
'slop slurper' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for hog that I've seen before include "Greedy person or pig for slaughter" , "Pig reared for slaughter" , "Domesticated pig" , "source of meat" , "Monopolise" .)