In response to : non-penetrative sex includes all non-insertion of contact with the genitals genital sex, genital contact is not called foreplay . "Kinky" the original meaning of the word "dip", so "immersed" no derogatory meaning but disseminated in " Mencius " when the idea was to "make the chaos and confusion," such as "wealth can not be obscene," after "obscene" words alone derogatory, especially with the "obscene" word modified in terms of vocabulary often have "improper" means, such as "lewd", "lust", "promiscuous" Moreover, "kinky" body also has "excessive," "excessive "means, such as" Yin Yu "(made after" Yin Yu "), also extended from" excessive "was intended to" indulgence "(such as" pipe Wang Fu ":" listen??no, no do tricks and wicked craft. " ). "Kinky" used to describe the meaning of sexual misconduct there early, such as "Pipe small Marina": "Men and women are not obscene." The ancients regarded as unfair and masturbation harmful behavior, it will use "masturbation" to refer to such acts of masturbation. The modern concept is not regarded as improper masturbation, medically there is no substantive evidence that masturbation is harmful, so "masturbation" The word is not neutral with a tendency - Ws227 ( message ) February 9, 2008 (f) 10:03 (UTC)