greaser

/G R IY1 S ER0/
noun
  1. 1

    Someone or something that greases (applies grease).

  2. 2

    A mechanic.

  3. 3

    A biker, a tough.

  4. 4

    A rocker or metalhead, especially one who listens to 1950s rock and roll or 1980s thrash metal.

  5. 5

    A Latin American, especially a Mexican.

  6. 6

    An Italian.

  7. 7

    A Greek.

Source: https://en.wiktionary.org/wiki/greaser