Etymology

oreo

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Today it means: A cookie made of two wafers joined with a sugary filling, particularly a Nabisco cookie with two alkalized cocoa-powder wafers around a white creme filling. Full definition →

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oreo · noun1

Genericized use of Oreo, q.v.

Oreo · noun2

Brand name of unknown origin, trademarked by National Biscuit Company on 14 March 1912. See the Etymology section of Wikipedia's Oreo article for various theories. In reference to well-assimilated black people, derived from the slur that they are "black on the outside, white on the inside".

Etymology from Wiktionary, CC BY-SA 4.0.