1 definition by Peter ja gut gut meatballs from Sweden

When pressure is building up from all the shit contained in your ass that a storm is about to be unleashed. Possibly explosive diarrhea.
Young boy -"Hay el venir del shitstorm."
Sarah Connor -"What did he say?"
Old man -"He says there is a shitstorm coming."

or

Strap on your seatbelt and get your goggles on. I can feel there's a shitstorm coming...
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