- Oreo (n.)
[Oreo 词源字典]
- derogatory word for "black person felt to have a 'white' mentality," 1968, black American English, from the snack cookies, which consist of dark chocolate wafers and white sugar cream filling (hence "brown outside, white inside"). The cookies (made by Nabisco) date from 1912; the source of the name has been forgotten.[Oreo etymology, Oreo origin, 英语词源]