(un-, prefix2 affix 1e affix 1.)

To ejaculate; to have an orgasm. slang.

intransitive. To ejaculate; to achieve orgasm.

To eject from the body. intransitive. To ejaculate; originally in to shoot one's roe. slang.

coarse slang (originally U.S.). In various phrases designating the achievement of sexual satisfaction, as to get one's nuts off, to bust a nut, to…

slang (originally U.S.)to get one's rocks off: to achieve sexual satisfaction; (in weakened sense) to obtain enjoyment.

slang. intransitive. U.S. To ejaculate; to have an orgasm. Also with off.

intransitive. Of a man: to ejaculate. Also transitive in phrases such as to spaff one's load: to ejaculate semen (cf. load, n. additions).