The Collaborative International Dictionary of English v.0.48:
Flashily \Flash"i*ly\, adv. In a flashy manner; with empty show. [1913 Webster]WordNet (r) 3.0 (2006):
flashily adv 1: in a meretricious manner; "the boat is meretriciously decorated" [syn: meretriciously, flashily] 2: in a fancy colorful manner; "he dresses rather flamboyantly" [syn: flamboyantly, showily, flashily]