Crossword Genius

Heads of vermin on mat? Incriminate the cat (5)

Ross

I believe the answer is:

vomit

'cat' is the definition.
('vomit' can be a synonym of 'cat')

'heads of vermin on mat? incriminate the' is the wordplay.
'heads of' suggests taking the first letters.
The first letters of 'vermin on mat incriminate the' is 'VOMIT'.

I've seen this clue in The Guardian.
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