rig out
     v : put on special clothes to appear particularly appealing and
         attractive; "She never dresses up, even when she goes to
         the opera"; "The young girls were all fancied up for the
         party" [syn: {dress up}, {fig out}, {fig up}, {deck up},
         {gussy up}, {fancy up}, {trick up}, {deck out}, {trick
         out}, {prink}, {attire}, {get up}, {tog up}, {tog out}, {overdress}]
         [ant: {dress down}]
Source: WordNet® 2.0