Source : Webster's Revised Unabridged Dictionary (1913)

Codger \Codg"er\, n. [Cf. {Cadger}.]
   1. A miser or mean person.

   2. A singular or odd person; -- a familiar, humorous, or
      depreciatory appellation. [Colloq.]

            A few of us old codgers met at the fireside.
                                                  --Emerson.

Source : WordNet®

codger
     n : used affectionately to refer to an eccentric but amusing old
         man [syn: {old codger}]