HOTHEADED Meaning of HOTHEADED in English ˈ ̷ ̷| ̷ ̷ ̷ ̷ adjective 1. : having a hot head (as from drinking)2. : fiery , hasty , impetuous• hot·head·ed·ly adverb• hot·head·ed·ness noun -es Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012