The Collaborative International Dictionary of English v.0.48:
Foppish \Fop"pish\, a. Foplike; characteristic of a top in dress or manners; making an ostentatious display of gay clothing; affected in manners. Syn: Finical; spruce; dandyish. See Finical. -- Fop"pish*ly, adv. -- Fop"pish*ness, n. [1913 Webster]WordNet (r) 3.0 (2006):
foppishness n 1: the manner and dress of a fop or dandy [syn: foppishness, dandyism]