Related Clues:
- Any old jerk
- Extinct bird of Mauritius
- Long-popular clown
- One isn't sharp
- Bye-bye birdie?
- Dostoyevsky subject
- It became extinct less than 100 years after its discovery
- Dorky sort
- Not the sharpest knife in the drawer
- Jerk or nerd
- Probable patsy
- Real jerk
- No genius, he
- Unlikely Mensa candidate
- Blithering fool