Fellatio has effect sexual arousal
Practice
General
Fellatio can be sexually arousing for both participants, and males who receive fellatio commonly experience orgasm and ejaculation of semen during the act. People may use fellatio as foreplay to sexually arouse their sex partner before vaginal or anal intercourse, or other sexual activity, or they may perform it as an erotic and physically intimate act in its own right. The sex partner may be of either sex. When the penis is thrust into someone's mouth, it may be called irrumatio, though the term is rarely used.The essential aspect of fellatio is oral stimulation of the penis through some combination of sucking, use of the tongue and lips, and movement of the mouth. One method is the sex partner taking the penis into the mouth and moving smoothly up and down the penis to a rhythm while being careful to avoid contact with the teeth. Fellatio may also include the oral stimulation of the scrotum, whether licking, sucking or taking the entire scrotum into the mouth. During the act, semen may be ejaculated into the partner's mouth.
It is difficult for some people to perform fellatio due to their sensitivities to the natural gag reflex. Different people have different sensitivities to the reflex, but some people learn to suppress the reflex. How much of the penis a partner can take into their mouth also depends on the size and length of the penis, and they most commonly only take the end of the penis into their mouth.It is physically possible for men with sufficient flexibility, penis size, or both, to perform fellatio on themselves as a form of masturbation, in an act called autofellatio. However, few men possess sufficient flexibility and penis length to safely perform the necessary frontbend.
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