sluttishly

/ˈslʌtɪʃli/
adverb
  1. In a manner that is considered sexually promiscuous or provocatively dressed.
    • The actor played the role sluttishly, which made the audience uncomfortable.
    • She was accused of dressing sluttishly, though her outfit was perfectly normal.
    • He spoke sluttishly about his ex-girlfriend, which was disrespectful.