1.verbTo eject abruptly; to throw out suddenly and swiftly.
2.verbTo say abruptly.
3.verbTo eject or suddenly throw fluid or some other substance from a duct or other body structure.
4.verb(specifically) Of a human being or other mammal: to forcibly eject from the urethra in response to sexual stimulation, in a male, semen; and, in a female, vaginal fluid.
"Men can ejaculate between 0.1 and 10 milliliters of semen on average."