Related Clues:

• Head teachers
• Food which might be bolted
• Crazy person
• Fruit with hard case
• Devoted fan
• Foolish or annoying person
• Brazil, for instance
• Boring person
• Someone boring (about computers?)
• Enthusiast (slang)
• Computer geek?
• Hard dry fruit — enthusiast
• Zealous type
• Oddball of a sort
• Acorn or pecan