The Collaborative International Dictionary of English v.0.48:

Gypsyism \Gyp"sy*ism\ (j[i^]p"s[i^]*[i^]z'm), n.
   1. The arts and practices or habits of gypsies; deception;
      cheating; flattery.
      [1913 Webster]

   2. The state of a gypsy.
      [1913 Webster] Gypsy moth