I think I'm first, but surely finish last, last
Reminiscent of Matthew 20:16:
The last shall be first, and the first shall be last.
which lends the line an apocalyptic air. He’s basically acknowledging other people are better than him.
To help improve the meaning of these lyrics, visit “Day 'n' Nite (Nightmare)” by Kid Cudi Lyrics and leave a comment on the lyrics box