For "buck"

Slur	Represents	Reason & Origins
Buck	Native Americans	The male equivalent of "squaw"
Buck/Buck Nigger	Blacks	This word has been used since the 17th century to refer to a male Negro - no matter whether slave or not.
Mandinka	Blacks	Reference to the motion picture "Roots": A Mandinka warrior was a 'Big Black Buck'.

The Racial Slur Database, since 1999. Not copyrighted in any way, shape or form.

This database was created entirely from data gleaned off the 'net and via submissions from people like you and your parents. It's supposed to be funny and/or informational. Calm down.