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An Oreo (Black on the outside, White on the inside) is a Black person who intentionally and sometimes unintentionally (raised around a lot of Whites with no Black connection) takes up the societal norms/custom and values of the White American population and disregards with intent/non-intent Black societal norms, customs or values.

Using Standard American English, not wearing the latest garbs from popular hip-hop/street clothing lines/artists is not an indication of this, however you will have some Blacks that are intimidated and/or insecure about who they are as Black people and will incorrectly use this term as a defense mechanism because they are intimidated.

When you show that your "deviation" so to speak isn't real deviation and that you can still connect and relate to the experiences that Blacks face and can understand the use of common wording or phraseology used in many Black communities, regardless of acculturation, without criticism you will not be considered an Oreo.

Learn to code-switch (Ebonics is our native tongue so to speak) or just be down to earth and relatable and proud of being Black and you won't be considered an Oreo.

Black people, stop calling other Blacks Oreos because you're intimidated. Many of them are not true Oreos. Many just don't know who they are and don't know their history.
Real Oreos do exist. They are called sell-outs, these are folks who will disregard any and every cultural element of Black culture and cling to the norms/values and beliefs common in White communities & about Blacks; they will do all they can to remove themselves from being associated with Black people and will openly criticize and side with any and every negative idea about Blacks and will renounce any ties to Black cultural elements and especially those that are humiliated/degraded in mainstream America and they will ONLY date, marry and socialize with people of a different race than them; they will not attend Black events, support Black causes etc...

Tracee Ellis Ross is a great example of someone who is not from the hood, but is NOT an Oreo; she speaks what's considered "proper" english and is proud of her Black ancestry. Rhonda Ross too, speaks "proper" but is proud to be Black, likes nice things etc, not an oreo.

Diana Ross is a great example of someone from the hood, who speaks "proper" english, but I've heard her use some phraseology and words specific to the Black community; it's embedded. She's a great example of someone who keeps it real, is proud to be Black, likes nice clothing/homes etc... but isn't detached from who she is and where she's come from.

Smokey Robinson
Lenny Kravitz
MJ, yep believe it or not, he was proud

Brian J. White & Tiger Woods

I hope this explained what a true Oreo looks like and what it truly is.
by APBW January 25, 2013
People that are black on the outside and white on the inside.
That guy is an oreo.
by OraeTheMage May 31, 2012
when a black person acts white

eg. black on the outside, white on the inside, like an oreo
"Yo, that black chick actin' all weird and shit."

"Yeah, she actin' like an oreo"
by EmmiDee March 04, 2012
noun-A black person who does not fit into the "ghetto" stereotype. Can be used in a friendly or derogatory manner.
"Yeah...people call me an oreo because I listen to a bunch of rock music..."
by DarkSilverLight August 30, 2011
A cookie desert which is made from the husk of brown bears and the semen it produces.
Richard: Hey Sam, whats that your eating?

Sam: Eating some dank ass Oreo's, you want one?

Richard: No way man Brian told me there made from the husk of brown bears.
by Carcosa July 20, 2010
A three way between two black males and a white hermaphrodite.
Tyler was a major Oreo last night.
by Collective minds of man December 30, 2008
When two black men have sex with one white girl. One penetrates from the front (vaginally), the other penetrates from the back (anally). Thus, resembling an Oreo Cookie.

A specific type of threesome.
Situation 1) Brad: Whoa! Hey there my white friend, Chad!

Chad: Well hello white friend, Brad!

Brad: Say, Chad, did you hear about our white friend who is a girl and whose name is Sally? I heard she totally and 100% Oreo'd last night!

Chad: God she's so fucking hot.

Brad: Agreed!

Situation 2) Black Male 1: Yo, my black brothers! I have some shit to tell you!

Black Male 2: Yes!

Black Male 1: Black Male 2 and myself, Black Male 1, oreo'd with a white female last night!

Black Male 2: God she was so fucking hot.

Black Male 1: Agreed!
by thedoopie December 12, 2010