Used to term people that are "loose with the body", party alot, or seem like they are losse. Mainly, in the south close to the gulf, or live far from the city, down the bayou.
dude 1: Damn, she seems like shes from down the bayou.
dude 2: Yea, dude she is. Saw her up in Bourg last week. She gave head to like 3 guys.