But I always knew I'd go far like a gas truck with no park

from B.o.B (Ft. Chris Brown & T.I.) – Arena Lyrics on Rap Genius

Meaning
  1. There is no stopping his ascension in the rap game. His ambition feeds his motor and keeps him running while his abilities don’t allow him to falter.

  2. He’s blowing up like a gas truck when it smashes into something.

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