Related Clues:

• Big-time party person
• 'The Naked ___' (1960's best seller)
• Gibbon, for instance
• Moose or mouse
• Gorilla or gibbon
• Tree swinger
• Clumsy fellow
• '20 Ques-tions category'
• Zoo biggy
• Big galoot
• Gibbon or orangutan
• "The Muppet Show" drummer
• Primatologist's study
• Halloween costume
• Fossey focus