Examples: Jay-Z on "What More Can I Say," Kanye on "Cold," Nas on "One Mic," Biggie on "Who Shot Ya?"
You might be a rapper if... you fill the beginning of a song with "spur-of-the-moment" chatter to give the impression of being somewhat engaged in the recording process. The engineer who's recording and mixing your session probably appreciates the line, if not for the nod to his existence, than for its technical absurdity. But you know what he'd appreciate even more? If you hadn't kept him waiting all night for you to show up.