The Oxford Thesaurus An A-Z Dictionary of Synonyms - brassyadj.

1) impudent, forward, insolent, saucy, brash, rude, brazen, shameless; coarse, flashy, florid, flamboyant; Colloq cheeky, fresh: Our landlady was a big brassy blonde. 2) harsh, strident, tinny, grating, dissonant, shrill, loud: She has just the right kind of brassy voice for belting out songs like, 'There's No Business Like Show Business'.