Top Definition
The act of flushing the toilet too early, having underestimated how badly you actually had to urinate, then having to wait until the tank fills again so you can flush the rest down.
Hey, what took you so long in there?" " Damn, I can't believe I just had pre-mature e-flushulation!" "I didn't think I had to piss that bad.
by scorpioeric July 30, 2011

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