Xenomania

from The Collaborative International Dictionary of English v.0.48

Xenomania \Xen`o*ma"ni*a\, n. [Gr. xe`nos strange + E. mania.]
   A mania for, or an inordinate attachment to, foreign customs,
   institutions, manners, fashions, etc. [R.] --Saintsbury.
   [1913 Webster]