Lascivious behavior
（重定向自Lascivious cohabitation）
Lascivious behavior is sexual behavior that is considered crude and offensive, or contrary to local moral or other standards of appropriate behavior. In this sense "lascivious" is similar in meaning to "lewd", "lustful", "indecent", "lecherous", "unchaste", "licentious" or "libidinous".