Related Clues:
- Grades below the curve, perhaps
- ''Disco Duck'' singer Rick
- Not very high marks
- Rick of radio
- Elmer Fudd has two
- Ruby and Sandra
- Rick of 'Disco Duck' fame
- Near-failing grades
- 'Daddy' has three
- ''Disco Duck'' singer
- Some are hard, some are soft
- Middling grades
- Gentleman's grades
- Poor marks
- Non-dean's list grades