Metaphor for idleness (4)

I believe the answer is:

slug

(Other definitions for slug that I've seen before include "Garden pest - pellet" , "Live" , "Slimy gastropod" , "Terrestrial mollusc" , "Bullet; swig" .)

I've seen this clue in The New York Times.

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.