greaser

noun8

1. •
   Someone or something that greases (applies grease).
2. •
   (slang) A biker, a tough.
3. •
   (slang) A rocker or metalhead, especially one who listens to 1950s rock and roll or 1980s thrash metal.
4. •
   (US, offensive) A Latin American, especially a Mexican.

   • A pair of Greasers were ahead of me, but I could see only their outlines, and they didn't seem to interfere any with the scenery. — 1907
5. •
   (US, offensive) An Italian.
6. •
   (US, offensive) A Greek.
7. •
   (slang) A mechanic.
8. •
   (slang) A very soft landing.