2) Someone who lives in the swamp lands
3) To call someone a bisexual bitch
4) A geek who lives in his mom's basement (usually so dirty it is similar to crawling in a bayou)
2) When I went to New Orleans I got lost and pumped into a biyoutch
3) "My girl has been cheating on me and my ex-girlfriend. That little biyoutch!"
4) That guy that pwned me in Halo 2, but I'm betting he's a biyoutch.