to ejaculate; mainly into a woman's hole(mouth, anal, vaginal area, even ear)
Originated from busting semen out of your testicals(nut) which is where your semen is stored. Thats why they call it busting a nut. Busting semen out of your nuts.

To ejaculate, cumm, squeeze one off.
Also see Money Shot, Pearl Necklace.

Male ejaculation.

ejaculate, shoot a load, cum

When one, usually with little impulse control, cannot help himself hold back cumming. When a guy jerks off and then ejaculates, usually in a short period of time, having been highly aroused.

refers to when a dude ejaculates

ejaculate semen