Pertaining to a lack of composure of the bowels; vis.: bum-wee; esp. following a period of extensive alcohol intake beginning circa age 14.
Symptoms include, but are not limited to: Bum wee; corrosive flatulence; the inability to travel more than 20m without requiring defecation; sonorous and voluble digestion; the requirement to eat healthily for brief but ultimately insignificant periods; Chicken Cottage.