Related Clues:

• Go ballistic, with ''out''
• Have a conniption
• Carnival sideshow feature
• Enthusiast, slangily
• Mutant
• Control ___ (obsessive type)
• "Super ___" (Rick James hit)
• Neat ___ (slob's opposite)
• Abnormal event
• Unexpected - very unusual
• Ardent fan, informally
• Random, as an occurrence
• One obsessed with a particular activity or interest
• Abnormal creature
• Monstrosity