I can, see these people's ears perk up as I begin to spaz with the pen
When an animal (dog/cat) hears something that startles them or catches their attention, the extra muscles in their ears activate and twist their ears closer to the source of the sound.
Perk: The verb used to describe the movement of the animal’s ears.
When Marshall starts to get back to his crazy lyricism, the public directs their attention (whether intentional or not)
To help improve the meaning of these lyrics, visit "No Love" by Eminem (Ft. Lil Wayne) Lyrics and leave a comment on the lyrics box