Boondocks' is simply the Tagalog word for mountains.
source: Sharyn McCrumb (2010). “The Devil Amongst the Lawyers: A Ballad Novel”, p.52, Macmillan

source: Source: www.golf.com
source: FaceBook post by Mumia Abu Jamal from Sep 10, 2011
topic: Blessed, White, America, Mephistopheles, Boondocks
topic: Jesus, Lying, Government, Boondocks