Forbidden Euphoria by Calvin Klein Perfume. Share your deepest secrets with just a touch of Forbidden Euphoria, the sensual new women's fragrance from Calvin Klein. One of Calvin Klein's more intriguing formulas, it is perfect for evening wear and romantic occasions. Forbidden Euphoria indulges the senses with high notes of mandarin oranges and peach blossom. Hints of sweet passion fruit and raspberry are intriguing and irresistible. This 2011 fragrance closes with a touch of pink peony for along-lasting memory of pleasure.