From Longman Dictionary of Contemporary Englishfloozyfloo‧zy, floozie /ˈfluːzi/ noun (plural floozies) [countable] old-fashioned SYa woman who has sexual relationships with a lot of different men, in a way that you disapprove ofOrigin floozy (1900-2000) Perhaps from flossy “showy” ((19-20 centuries)), from → FLOSS1
