When a woman is occupied by another man.
Can mean sexually or simply speaking with.
If you wish to speak to a woman, and she is currently speaking with another man, she is said to be cockupied.
NOTE: The other definition listed here should be classified as "Precockupied
Damn, Slim! All the broads at this party are cockupied! How am I supposed to put my thang down here?!
I told you this shit was wack! Let's go to da club! Der be da freaks!