aarghEnglishOxford New American Dictionaryaargh /är(ɡ), ɑr(ɡ) / (also argh) ▸ exclamation used as an expression of anguish, horror, rage, or other strong emotion, often with humorous intent: now they're talking about putting up taxes—aargh! – ORIGIN late 18th century : lengthened form of ah, expressing a prolonged cry.