Define One Drop Rule Meaning

One Drop Rule
When segregation was practiced in the Southern United States a person that was even the smallest percentage black was simply considered black

Barack Obama is technically biracial but according to the one drop rule he would have simply been considered black.
By Nanni
One Drop Rule
if you have even a "drop" of blood from a race, it makes you partially that race.

"Dude you cant say the n-word your not black."
"One drop rule nigga im a quarter black!"
By Anabel