An advanced sexual prank to perform during ejaculation. To practice this prank, you must pretend to ejaculate into your partners mouth, but right as you climax, turn around and perform the shitstorm onto their face. This is a highly advanced technique in which you need to perfectly time your shitstorm together with the ejaculation.
Girl 1: "How was he in bed girlll?"
Girl 2: "He performed the Egyptian Shitstorm on me..."
Girl 1: "Oh no"