to perk it

from The Collaborative International Dictionary of English v.0.48

Perk \Perk\, v. i.
   1. To exalt one's self; to bear one's self loftily. "To perk
      over them." --Barrow.
      [1913 Webster]

   2. To act in a jaunty or presumptuous manner.
      [PJC]

   {To perk it}, to carry one's self proudly or saucily. --Pope.
      [1913 Webster]