The NAACP (National Association for the Advancement of Colored People) is an African-American civil rights group, and has a branch office in Atlanta, Georgia
This line is a bit obscure.
Quite possibly a reference some history of sexism within black and Civil Rights organizations, like the Black Panther Party SNCC, and others.
Possibly also a play on the lettering and sound of the acronym NAACP
In (“N”) AtlantA (the “Double A”), College Park (CP), thus
In Atlanta, specifically College Park (Southside) “no bitch” excites Key! He likes his women from elsewhere in Atlanta.
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