The Collaborative International Dictionary of English v.0.48:

Boulangism \Bou*lan"gism\, n. [F. boulangisme.]
   The spirit or principles of a French political movement
   identified with Gen. Georges Boulanger (d. 1891), whose
   militarism and advocacy of revenge on Germany attracted to
   him a miscellaneous party of monarchists and Republican
   malcontents. -- Bou*lan"gist, n.
   [Webster 1913 Suppl.]