Lasacious means: Lasacious: Lasa-cious is a combination three words. A person who can’t stop wanting more The most gratifying word for luscious is “hilarious”. Voluptuous: Lascivious: To excite lust As I was writing my song, Lasacious came to mind. It just seemed cool so I used it in my song A definition of Lasacious is someone who has an insatiable urge and is very sexy. Constant craving. A constant sexual craving for pleasure, which is not satisfied. (in Community Dictionary, added by Carly Ferrell)