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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."
by Adge613 March 01, 2007
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.
by Topical Counterplan April 30, 2008