reek - give off smoke, fumes, warm vapour, steam, etc.; Marshes reeking in the sun give out, emit, give off - give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.; The ozone layer blocks some harmful rays which the sun emits
There are male and female sperm - the females are slower, but stronger, while the males are faster, but weaker. Average volume of semem per ejaculation is 1 teaspoon, which equates to about 200-500 million of those little guys in the average amount of semen produced each time you release.
Usually the capability to ejaculate semen comes about one to two years after puberty starts -- often about the time pubic hair begins to grow and a boy begins his growth spurt. The average age for starting puberty is 11 1/2. This makes the average age to ejaculating semen around the age of 13. But this is only an average.