Related Clues:

• Mad about, with 'over'
• 'Damned dirty' creature
• Arboreal critter
• O'Neill's 'The Hairy ___'
• Chest-thumping critter
• "You were saying . . ."
• Breast-beating creature
• Siamang, e.g.
• Dion hit "My Heart Will_____"
• Siamang or gibbon
• Chimp, for example
• Terror of the Rue Morgue
• Common costume for a costume party
• Practice monkey-see, monkey-do
• Dramatic way to go?