The Collaborative International Dictionary
Bona roba
Bona roba \Bo"na ro"ba\ [It., prop. ``good stuff.'']
A showy wanton; a courtesan.
--Shak
Wiktionary
bona roba
n. (context obsolete English) A showy wanton; a courtesan.
Usage examples of "bona roba".
But I'm convinced, nevertheless, that the modish Tony knows who killed his bona roba and looted her apartment.