Deep lore: From the Thai word for French (farangsayt) who were among the first to colonize Southeast Asia. Generally non-derogatory, though depends on context and intention of speaker. Applies to people of non-Thai origin.
Deep lore: Commonly used on poor black people. During the period prior to the Civil War, many blacks were named after famous Romans (e.g. Lucius, Marcus, Scipio, etc.)
Deep lore: (sh-var-tza) Stems from the Yiddish word schvartz, or black. It is not derogatory in nature, but usually ends up being used in not the nicest of ways.