Slut (noun)

1. A person, particularly a woman, who is regarded as sexually promiscuous.
2. A person who is considered to have loose sexual morals.
3. A person who is messy or untidy.

Origin:

From middle english slutte (“a dirty, untidy, or slovenly woman”), equivalent to sluttish +‎ -t.

Examples:

1. She was labeled a slut by her classmates for her behavior.
2. He called her a slut because of the clothes she was wearing.
3. My ex-boyfriend called me a slut when we broke up.
4. She's such a slut, she never cleans her apartment.
5. The kitchen was a mess, the stove covered in grease; she was a real slut when it came to cleaning.