Related Clues:

• Doesn't do a thing
• Loafs around
• Leaves running
• Runs out of gear?
• Fritters away time
• Wastes time
• Just hangs around
• Lazes
• Lies around
• Just sits there
• Revs in neutral
• Sits at a light
• Bums around
• Putters
• Keeps the engine running