1) Nearly defecating one's self to death as a result of bad water, bad food, or any other airborne illness while in a third world country named Egypt.
2) The ill-shits.
3) Similar to Montezuma's Revenge
, but in Egypt not Mexico. And generally far, far worse.
Dan got the Pharaoh's Revenge so bad he needed Cipro to stay alive.
That poor SOB was the Pharoah's favorite; he got the Pharoah's Revenge so many times, he barely left the pot while in Egypt.