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"
[ 'pri[ng]k ] (verb.) 1576. From Middle English prinken (“to wink, signal with the eye”), from prinke, prinche (“a wink, twinkling of the eye, momentary gesture”), from Old English princ (“a wink”). More at pry.