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| quote: | Originally posted by Banora
| quote: | Originally posted by hundred
HE MEANS SOMEONE EJACULATED(ALSO KNOWN AS JIZZED, BUSTED, BLEW A LOAD) IN HIS HAIR |
Nooo, really!? I couldn't have guessed. |
 jaculation
Ejaculation is the ejecting of semen from a penis, and is usually accompanied by orgasm. It is usually the final stage and natural objective of sexual stimulation, and an essential component of natural conception. When a man has achieved a sufficient level of stimulation, ejaculation starts. At that point, under the control of the sympathetic nervous system, sperm passes through the ejaculatory ducts and mixes with fluids from the seminal vesicles, the prostate, and the bulbourethral glands to form the semen. The semen is ejected through the urethra with rhythmic contractions. These rhythmic contractions are part of the male orgasm. They are generated by the bulbospongiosus muscle under the control of a spinal reflex at the level of the spinal nerves S2-4 via the pudendal nerve. The typical male orgasm can last up to 17 seconds but may vary from a few seconds up to about a minute.
After the start of orgasm, pulses of semen begin to flow from the urethra, reach a peak discharge and then diminish in flow. The typical orgasm consists of 10 to 15 contractions. Once the first contraction has taken place, there is no way to voluntarily prevent ejaculation taking place. The rate of contractions gradually slows during the orgasm. Initial contractions occur at an average interval of 0.6 seconds with an increasing increment of 0.1 seconds per contraction. Contractions of most men proceed at regular rhythmic intervals for the duration of the orgasm. Many men also experience additional irregular contractions at the conclusion of the orgasm.
Ejaculation begins during the first or second contraction of orgasm. For most men the first spurt occurs during the second contraction. A small sample study of seven men showed between 26 and 60 percent of the contractions during orgasm were accompanied by a spurt of semen.
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