Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. Some women who engage in same-sex sexual activity may reject not only identifying as lesbians but as bisexual as well, while other women self-identification as lesbian may not align with their sexual orientation or sexual behavior; sexual identity is not necessarily the same as one sexual orientation or sexual behavior, due to various reasons, such as the fear of identifying their sexual orientation in a homophobic setting. Throughout history, women have not had the same freedom or independence to pursue homosexual relationships as men, but neither have they met the same harsh punishment as homosexual men in some societies. The other person may do the same during or after. Sigmund Freud considered foot gay boy porn binding as a form of fetishism. Macrophilia is a fascination with or a sexual fantasy involving giants, more commonly expressed as giantesses . Solo performances in gay pornography have been described in 1985 as either gay hentai or both active and/or passive , whereas female momporn solo performances are said to be exclusively passive . The Silent Duck, also called Duck-Billing, is the technique often used in which the person engaging in hand insertion shapes the hand to resemble a duck beak. Ass to mouth pornography shows the transfer of a performer penis from a second performer anus to that same second performer mouth in a single shot. If dramatic skills are not involved, a performer in a porn film may also be called a model. Both forms of pornography generally contains nudity. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the scrotum and the anus, just before ejaculating. Transsexual porn star Wendy Williams has stated that transsexual Porn is classified as Straight Specialty.