When something is so "sick", or "sickly cool", that it is "d'zeez'd".
(and as you old people would say, "diseased")
Alternate uses: d'zeez'y, d'zeez, d'zeez'y, and anything else similar. D'ZEEZ, YO!
Person 1: I met DJ Pauly D yesterday, and got his autograph too.
Person 2: Yo man, dats d'zeez'd! The sheezy to mah neezy dat coo' and all that rappah junk.