Source : Webster's Revised Unabridged Dictionary (1913)

Flimflam \Flim"flam\, n. [Cf. {Flam}.]
   A freak; a trick; a lie. --Beau. & Fl.

Source : WordNet®

flimflam
     n : a swindle in which you cheat at gambling or persuade a
         person to buy worthless property [syn: {bunco}, {bunco
         game}, {bunko}, {bunko game}, {con}, {confidence trick},
         {confidence game}, {con game}, {gyp}, {hustle}, {sting}]
     [also: {flimflamming}, {flimflammed}]