FDZ 

it is the new way to say the word(COOL) having the exact same meaning only beign way better

Troy and Justin play cod 5 alot because they are FDZ

FDZ by dirtysnip April 11, 2009

FDZ 

an improper way to spell the word fags

justin and troy play cod 5 all the time making them fags not FDZ

FDZ by Godswingman April 15, 2009

FDZ 

The Female danger zone refers to any woman between the ages of 16 and 20 that looks mature, but is still young. Men should take caution since they look older than they are.

Guy 1: Man, I can't wait to get me some tonight.
Guy 2: Take it easy, most of these girls are under the FDZ.

FDZ by The Ghost of Xmas Past July 5, 2016