ハピエンMeanings1nounhappy endingabbreviationCasual abbreviation of ハッピーエンド, used in everyday conversation about stories, movies, or situations.See also: ハッピーエンドこの映えい画がはハピエンで終おわるよ。This movie ends with a happy ending.あのドラマ、ハピエンじゃなかったらしい。I heard that drama didn't have a happy ending.