A combination of the words: 1. Big 2. Dirty 3. Pussy
Used to describe or insult.
"Dude, you're such a bidussy." Or "That girl has a bidussy."
The morning smell of both male and female genitalia, as well as a rather gnarly fecal smell mixed in.
Even after countless showers, Ryan could not rid the smell of bidussy, and it was from here on that it became his nickname.