Definition of "greaseball" in English

noun

1. (US, slang, derogatory, ethnic slur) A person of Italian descent especially, but also used pejoratively to refer to people of Spanish, Portuguese, Greek, other Mediterranean, or Latin American descent.

   • (Italian)

2. (slang) A mechanic.

3. (slang) A biker, a tough.

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