WordWeb Online

1. A person's costume (especially if bizarre)
   "What a queer rigout!"

1. Put on special clothes to appear particularly appealing and attractive
   - overdress, dress up, fig out [informal], fig up [informal], deck up, gussy up [N. Amer, informal], fancy up [informal], trick up, deck out, trick out, prink, attire, get up, tog up [informal], tog out [informal], doll up [informal]

Derived forms: rigging out, rigouts, rigs out, rigged out

Type of: costume, dress, get dressed