Related Clues:

• Nutty as a fruitcake
• Touched in the head
• Ditzy
• Offbeat
• Eccentric, to put it nicely
• Ditsy
• Queer
• Responding to medication, perhaps
• Somewhat crazy
• A bit eccentric
• Round the bend
• A bit off
• Somewhat strange
• A bit bonkers
• Slightly nuts