A racist slur to represent a black person, or person of African heritage......this word is used because in the Age of Our Founding Fathers, when blacks were slaves, they were known to mostly pick cotton.
A derogatory term used aganist african-americans who are assumed to be stupid or illiterate. This word comes from the fact that blacks used to pick cotton and were not allowed to read or write for centuries.
2) A Black Person with Limited Vocabulary.
You see that kid over there he's a cottonpicker cause he's 17 reading at a 5th grade.