1 definition by blackchurry
When a woman on her period bleeds, shits, and pees, all at the same time. Hopefully all in a toilet.
Jessica: "What took you so long in the bathroom?"
Gabby: "Oh man, I just had a massive landslide go down."
Gabby: "Oh man, I just had a massive landslide go down."
by blackchurry November 06, 2010
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