dirtbag (noun)

1. Although he appeared to be a dirtbag at first, he surprised everyone by being incredibly sweet and romantic.

2. In the cartoon, the main character's nemesis is a dirtbag who constantly causes trouble for everyone.

3. The horror movie featured a terrifying dirtbag who stalked and terrorized his victims.

4. According to ancient mythology, there were evil dirtbag-like creatures that haunted the forests and preyed on unsuspecting travelers.