When a woman is giving a man a blow-job on the tiolet (AKA Blumpkin), the man's poop causes the toilet water to splash into the woman's face.
I had to poop so bad I turned a blumpkin into a splash mountain.
by Kane October 7, 2004
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When a girl squirts in your face and you take a picture with the flash on as it happens.
I was trying to take a pic with the flash on while eating my girl out and she squirted everywhere; it was a total splash mountain.
by September 7, 2020
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When the shit in the porta potty becomes a mountain and the water splashes your ass
by Construction workers May 1, 2020
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