'Fore the shots go up and it's man down
Before shooting the shooter gets up from his cover to shoot and kill.(man down).
Also a kind of contrast between up and down.
To help improve the meaning of these lyrics, visit "U.O.E.N.O." by Black Hippy (Ft. Ab-Soul, Jay Rock, Kendrick Lamar & Schoolboy Q) Lyrics and leave a comment on the lyrics box