As a Noun: 1. Of a man, the act of discharging semen through the penis. English = ejaculation. 2. For a man, the moment of greatest pleasure and excitement during sexual activity. English = orgasm. 3. The liquid containing sperm that is produced by the sex organs of men and male animals. English = semen. 4. The cells which are produced in the sex organs of the male and which can enter a female's egg and fertilise it. English = sperm. As a Verb or Adjective: 1. Of a man, to discharge semen through the penis. English = ejaculate. Informal English = come. 2. For a man, to experience the moment of greatest pleasure and excitement during sexual activity. English = have an orgasm.