Fancy Pants
nickname Anthony Joseph 'A.J.' Hoyt (b.1935), a stock car racing driver who dominated the sport in the US during the 1950s and 60s. Derived from Hoyt's fastidious dressing habits, alluding to a Bob Hope film of the era
US, 1999
fancy pants
noun a dandy; a pretentious, superior, self-important person
US, 1934