ha haEnglishOxford New American Dictionaryha ha /ˈhä ˌhä, ˈhɑ ˌhɑ / (also he he) ▸ exclamation used to represent laughter or amusement: “Oh ha ha, very funny,“ I said “I know you!“ he said. “He he,“ she chuckled. “Do you?“. – ORIGIN natural utterance: first recorded in Old English (compare with ha1).