A bing bang bumcee refers to a woman's ass/bottom that is overly huge but looks utterly delicious. It is a huge compliment to tell a woman that she has a bing bang bumcee and the follow up line to get instant action is to say that you are a bing bang bumcee kind of man!
The specific odor of a ripe homeless person, especially (but not limited to) a subway dweller in New York City. It is impossible to describe fully, but can contain any/all of the following: urine, feces, general body odor, filthy hair, lice, garbage, dirty clothes, grimy train smells and disease. Once experienced it can never be forgotten.
"I was really excited to find an almost-empty subway car at rush hour, only to discover (after the doors closed and we left the station) that it was contaminated by bumreek."
An uncontrollable urge to shit in a flowing motion, Starting off as a stomach churning, gut renching feeling that is rapidly followed by a run to the nearest Restroom where severe sweating and panic ensues as the uncontrollable flow of BUMWEE pours out of your ass. After this painful experiance the Sting of the ring of fire is the reminder of what you have just experianced, other than the Pebble dashed pan you leave behind.
The liquid which appears during toilet backwash. Carries with it an awful and awesome smell that can eliminate a grown man. Can often be placed into normal conversation to add hilarity unknown to bystanders.
Tramp: "Can I have a wee bite o yer sandwich?"
Lewis: "Yeah, it's a bit bumwee though. Thats a nice bumwee you've got."
Tramp: "Is yer friend takin' the piss?"
Also
"My GOD! It smells like bumwee in here! The smell is like getting hit in the face. WITH A SHIT!"