Related Clues:
- 18%, maybe
- Server's reward
- Hot thing on a horse?
- Thing that comes to those who wait
- Restaurant table leaving
- Point of gratuity
- What Don Quixote did at windmills
- Slope, incline
- Cause to slope or incline
- Hint about a horse
- Grtatuity
- Hint or dumping ground
- Move into sloping position
- Thrust with lance, like Don Quixote at windmills
- Indication of potential opportunity