Related Clues:

• A toddler might throw one
• Tendency to anger easily
• Home of Arizona State University
• Short fuse, so to speak
• When repeated, statement after an explosion
• What a stubborn person may throw
• Display of anger
• Harden by cooling
• Toughen with anger
• Bad humour
• Mood or hardness of metal
• Harden using heat
• Uncontrolled anger
• Volatile anger - don't lose it
• Make hard by heating and cooling, like iron