Related Clues:

• Luckless fellow
• Jerky sort
• Stupid sort
• Surname for Joe?
• Lightweight
• One who is not very bright
• Mental halfwit
• Any old jerk
• One isn't sharp
• Dorky sort
• Jerk or nerd
• Real jerk
• Unlikely Mensa candidate
• Ordinary schlub
• "Dumb & Dumber" type