Another term for bull shit. Derived from the one called Poop. Generally used to desribe one's good friend who skatebaords and plays basketball. Usually really good at Guitar hero too.
Keean...Let's go ball.
I don't want to.
That's Bull Creenan Man!
Ciena is usually a gorgeous,very attractive girl. BIG outdoor-animal lovers!!! A very good friend, someone you can always count on! A very fun-lovin' girl!
"Look over at that girl feeding the squirrels. She's such a Ciena!"