I'm Kostya Tszyu, you Zab Judah
Two rounds through ya forget the past, I'm the future

from R.A. The Rugged Man – Supa Lyrics on Rap Genius

Meaning

This line is a reference to the boxing match between Kostya Tszyu and Zab Judah on November 3th, 2001. Kostya Tszyu knocked out Zab Judah in the 2nd round.

http://www.youtube.com/watch?v=2o7A3rMN6Co

R.A. is the winner and you’re only a loser — he can beat you easily.
(For your information, boxing is his favorite sport.)

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