This Saturday Night Live icon contains
business suit.
There might also be
judge advocate, suit, suit of clothes, dress suit, full dress, tailcoat, tail coat, tails, white tie, and white tie and tails.
Some of Kristen Wiig's best impressions (Christine O'Donnell, Elisabeth Hasselbeck, Kathie Lee Gifford, Liza Minnelli, Madonna, Cinderella), including clips of the original for comparison, from The Wiigers @ YouTube.