Related Clues:

• Orangutan, for one
• Orangutan, e.g.
• Hairy arm swinger
• Donkey Kong, for one
• Primatologist's subject
• Go ___ (flip out)
• Word after go or great
• Rude and insensitive one
• Bull in a china shop
• Klutzy sort
• Darwinian ancestor
• ...and companion
• Clumsy type
• Churlish person
• Zoo swinger