When the brother yelled ‘action’ it wasn’t just for his act
‘Cause he wanted to see the masses get they asses out the door (get up)

from Blue Scholars – Cinemetropolis Lyrics on Rap Genius

Meaning

Both Geo and his Filipino brother Brocka (from the previously line) are not only calling out “action” to actors before filming a movie scene, but they are making a call to action for people to get up out of the movie theater and make some real change.

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