prank 2 /præŋk/
–verb (used with object)
1. to dress or adorn in an ostentatious manner: They were all pranked out in their fanciest clothes.
–verb (used without object)
2. to make an ostentatious show or display.
1540–50; akin to D pronken to show off, strut, pronk show, finery, MLG prank pomp
These alley-ways were pranked with little knots of folk, and Fuchsia believed that she could hear the far sound of their voices rising through the air.
Source: Titus Groan by Mervyn Peake.