I walked onto the block, met a guy, burgundy 'Preme snap-back

from Tyler The Creator (Ft. Domo Genesis, Frank Ocean, Hodgy Beats & Mike G) – Window Lyrics on Rap Genius

Frank is one of the few members of OF to not have been childhood friends with Tyler, instead he met him after moving to L.A.

Tyler is usually wearing his green supreme snap back, but in this case he was probably wearing this one:

To help improve the meaning of these lyrics, visit "Window" by Tyler The Creator (Ft. Domo Genesis, Frank Ocean, Hodgy Beats & Mike G) Lyrics and leave a comment on the lyrics box