Related Clues:

• Blood pressure raiser
• See 33-Down
• It gets one's dander up
• Angriness
• Anger or wrath
• Steam up
• Something that's worked up
• Vex
• Hotness under the collar
• Furor
• Bring to a boil
• Fiery feeling
• What barbs may elicit
• Invective
• Outburst cause