Related Clues:
- Natural or mustard
- You might get it with a bean burrito
- What to add when the 59-Across gets low
- Fuel in a car
- Found that, in the main, it is very entertaining
- Dental administration?
- Auto fuel
- Grabs nothing, even when it's funny?
- Braggart's output
- Piped fuel
- It might be air or glass alternately
- Traveler's fill-up
- Something very entertaining
- Hydrogen or neon
- Total blast