The side effects of a drug or action used to stretch the anus, meaning the anus is open and very loose.
Roy- "How was your weekend Paul?"
Paul- "Terrible, I fell on a pole and I got Bumhole Syndrome"
The act of giving up, or quiting.
"Man, I've had it with this shit, I'm takin' the bait"
The event of an extremley runny shit, usually caused by recent diets.
I ate a whole box of bran flakes and Iv'e been bumpissin' for hours!