The Collaborative International Dictionary of English v.0.48:

Flidge \Flidge\, a.
   Fledged; fledge. [Obs.] --Holland.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Flidge \Flidge\, v. i.
   To become fledged; to fledge. [Obs.]
   [1913 Webster]

         Every day build their nests, every hour flidge. --R.
                                                  Greene.
   [1913 Webster]