Noun: A fruity term of endearment used for friends (loved ones) to show you care. Not necessarily used for significant others or family members. Used primarily by females. Sometimes used to add humor or embarrass people.
Ex: You're the best lover nut.
Ex: Come here lover nut.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi