Related Clues:

• Ready to explode
• More than perturbed
• Wrathful
• Really hot under the collar
• Awfully annoyed
• In a huff
• More than sore
• Bent out of shape
• More than steamed
• Very upset
• More than annoyed
• Really riled
• Red in the face, maybe
• Fixing to fight
• Having steam come out the ears, say