11.8 COMMITTING UNNATURAL AND LASCIVIOUS ACT 800.02, Fla. Stat. To prove the crime of Committing an Unnatural and Lascivious Act, the State must prove the following two elements beyond a reasonable doubt: 1. [Name of defendant] [copy from charge] with [name of victim]. 2. The act was unnatural and lascivious. "Unnatural" means not in accordance with nature or with normal feelings or behavior. "Lascivious" means lustful, normally tending to excite a desire for sexual satisfaction.