Related Clues:

• Really ticked
• Out-of-sorts
• Fuming mad
• In a tiff
• Quite cross
• Rather more than miffed
• Mucho mad
• Spitting nails, so to speak
• Really peeved
• Boiling over
• Very cross
• Really miffed
• Mighty mad
• About to go through the roof
• Ready to blow one's top