A flat-footed prostitute with venereal disease. "Floogie" was a substitute for "floozie" so the song, - written by Slim Gaillard - could be played on the radio. Floy-doy. Floy-doy. Floy-doy.
Flat-Foot Floogie With A Floy-Floy, Louis Armstrong and the Mills Brothers, youtube.com/watch?v=yLwGna15NcI
A floogie bird is an avian that flies in ever-decreasing concentric circles, at which point, it disappears up its own asshole. At said point in time, the floogie bird can start slinging shit at its adversaries.
Watch out! The floogie bird's coming! Get out of the way or get splattered.
You can only be appointed to be Fougie, it's an honorable title and only one that is Fougie will know what Fougie means and only a fellow Fouger can appoint you to become and own the title Fougie.