Prank \Prank\, v. t. [imp. & p. p. {Pranked}; p. pr. & vb. n. {Pranking}.] [Cf. E. prink, also G. prangen, prunken, to shine, to make a show, Dan. prange, prunke, Sw. prunka, D. pronken.] To adorn in a showy manner; to dress or equip ostentatiously; -- often followed by up; as, to prank up the body. See {Prink}. In sumptuous tire she joyed herself to prank. --Spenser.