Source : Webster's Revised Unabridged Dictionary (1913)

Potboiler \Pot"boil`er\, n.
   A term applied derisively to any literary or artistic work,
   and esp. a painting, done simply for money and the means of
   living. [Cant]

Source : WordNet®

potboiler
     n : a literary composition of poor quality that was written
         quickly to make money (to boil the pot)