Troublesome beast (US slang) (7)

I believe the answer is:

varmint

(Other definitions for varmint that I've seen before include "pest" , "rascal" , "Troublesome wild animal, especially a fox (US)" , "Mischievous person" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.