The most common and most likely answer to this crossword clue is the 8 letter word PIGSWILL
I've seen this crossword clue in The Guardian
P
I
G
S
W
I
L
L
More clues leading to the result PIGSWILL
- Who’ll eat these slops?
- Who is going to eat these kitchen scraps?
- Waste food? Rudely, the police are going to
- Waste getting fancy wigs to be seen during ball
- Feed extremely glamorous group of ladies during ball
- Feed the desire of Empress of Blandings, maybe
- Refuse to go into a filthy place?
- Who will eat too much waste matter?
Buddy explains!

The straight part
We know that "Waste food/Waste food" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case waste food/waste food = pigswill.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PIGSWILL mean?
PIGSWILL noun- Letters or words, in writing or speech, that have no meaning or pattern or seem to have no meaning.
- An untrue statement.
- That which is silly, illogical and lacks any meaning, reason or value; that which does not make sense.
- Something foolish.
- A type of poetry that contains strange or surreal ideas, as, for example, that written by Edward Lear.
- A damaged DNA sequence whose products are not biologically active, that is, that does nothing.
- (collective) A mixture of solid and liquid food scraps fed to pigs etc; especially kitchen waste for this purpose.
- (by extension) Any disgusting or distasteful liquid.
- (by extension) Anything disgusting or worthless.
- A large quantity of liquid drunk at one swallow.
- Inexpensive beer or alcohol.
- (Ultimate Frisbee) A badly-thrown pass.