This can best be described by following the flow of water: From the shower nozzle, onto a woman's hair, down her back, through her buttocks, and into a man's mouth.
"I'm not hungry- I had a big mange this morning."
An encounter whereby the glans on a man's penis contacts the inside of a toilet. Particularly frequent when using biffies (Port-a-potties)
"Man, that shitter gave me a baad dujo. Stay away from it."
Can also be spelt "muffy." It's an Australian slang term.
See Bean-o's definition of "muffy." Basically, it's what you'd call "going down" on a woman.
"Oh, Scotty! Give me a muffie...Oh, yeah, that's it, baby."