A racist term for greek people. They have many olives in their country and they pick them, just as black people picked cotton.
White dude 1: Hey look at that Greek dude picking olives like a nigger!
White Dude 2: Yeah he's an olive nigger
Greek Dude: Gamoto Malaka!
An ethnic euphamism for a Greek.
That Olive Nigger from Athens has greasy hair.