Sup, /b/?

What does "Sup, /b/?" mean?

• Sup, bro?
• Sup, bitch?
• or /b/ is the random board at 4chan?

Camwhores and /b/

Camwhore - A variety of attention whore, typically a young and very stupid woman (though occasionally a twink), who will do anything on a webcam in exchange for attention, money, items from online wishlists, or just to be generally slutty. æ

4chan's /b/ is a camwhore motherload.