When a male and female are out of protection and birth control and the guy wants to piss in her to feel the satisfaction of release and not get her knocked up.
Man 1: Dude i need some protection, help me out.
Man 2: Nah dude i'm out, you should just piss-jaculate in the girl.
by Sh_ayy April 12, 2010

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Top Definition
When you think you are about to ejaculate, but instead end up pissing all over the place. Most people don't realise that they are pissjaculating until they discover that what they think is semen keeps flowing.
Wow Dom! I didn't realise you were going to pissjaculate everywhere!?
by Dominic N October 18, 2010

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