The period after taking a horrible shit (diarrhea) in which your body deceives you into believing you're finished shitting, only to have your diarrhea come back soon thereafter.
John: Dude, I just diarrhea'd everywhere and got that Taco Bell out of my system.
Mike: No dude, you're just in The Eye-of-Rhea.
John: What're you talking ab...oh man...
*John storms the pooper*