look up any word, like darude - sandstorm:

3 definitions by noi'mnotracist

 
1.
When a large amount of black people suddenly seem to have appeared in one certain area without notice.
Bro, we better leave. There's been a lot of blackumulation.
by noi'mnotracist January 22, 2010
 
2.
the opposing actuality in relation to/of a black person.
Ex1.
guy1-dude, these shoes are so cheap!
guy2-blacktually, they're really expensive.

Ex2.

carly- mark is so great at sex.
watermelondrea- blacktually, compared to Jahrael, he sucks.
by noi'mnotracist January 22, 2010
 
3.
When a non-african american is accepted into a predominantly african american gang/group. Most of the time, this is a mexican or asian. Rarely white. Never a jew or indian.
john-hey, what's jose doing hanging with those bloods?

kyle-you didn't hear? Jose got blackcepted last Wednesday
by noi'mnotracist January 22, 2010