English▸ noun
(plural dandies)
1 a man unduly concerned with looking stylish and fashionable:
his floppy handkerchiefs and antique cufflinks gave him the look of a dandy.
2 informal, dated an excellent thing of its kind:
the Winchester Model 37 shotgun is a dandy, at a low price.
– ORIGIN late 18th century: perhaps a shortened form of 17th-century Jack-a-dandy ‘conceited fellow’ (the last element representing Dandy, a pet form of the given name Andrew).