The Collaborative International Dictionary of English v.0.48:

Warling \War"ling\, n.
   One often quarreled with; -- ? word coined, perhaps, to rhyme
   with darling. [Obs.]
   [1913 Webster]

         Better be an old man's darling than a young man's
         warling.                                 --Camde?.
   [1913 Webster]