1: Non-dairy alternative to ice cream, wherein other fats are used instead of milk fat. It can be made out of both animal fat and vegetable fat. It has a sweat and delicate taste, just like a fine woman. At least that's what Sanji thinks.
2: An interjection often used in the sight of pure beauty that would be sweet to the taste if it was a food.
1: This mellorine tastes exquisite, just like my Nami-Swan~
2: Mellorine! You're so lovely, Robin-Scwan~