Plural of lustful. It is the term with which they designate people who are prone to lust. People who keep the way to rampant and uncontrollable sexual desire. Addicted to sexual pleasures. Lewd, lividinosos.
Lustful is plural of lustful, adjective. That is, people who have excessive penchant sex action; whether it is through masturbation, company of others, paying, with animals or otherwise.