Related Clues:

• Rodent that's about to get ratty?
• Angry - furious
• A tier (anag)
• Quite hot
• Totally ticked off
• In a steamed state
• Hook loses head with anger
• Seeing red paramilitary group looking back for alien
• Sore, and more
• Having throbbing temples, maybe
• Plenty upset
• Turned red, say
• *Hopping mad
• Cross one river, accompanied by goddess
• More than put out