slut

a woman who is considered to be sexually promiscuous and immoral, often used abusively or offensively

puta, zorra, ramera

Collocations call sb a slut

• She was called a slut by her classmates.

  Sus compañeros la llamaron puta.

a woman who is sexually active, but not necessarily in an offensive way; often used casually or humorously

chica fácil, chica ligera

Collocations be known as a slut

• She's known as a bit of a slut around here.

  Aquí se la conoce como una chica un poco ligera.