Noun: a methodology of fixing or manufacturing something through unconventional means using only the (usually improper) tools and resources at hand. Also known as Ghetto rigging, nig rigging, jurry rigging, and ghettorisation. This particular variation was most likely inspired by the telivision program "Sanford and Son"
To get my car to start I had to use some duct tape and apply some afro engineering.
"Hey I made this hooka out of an old coffee can and some crap I found lying around in my house"
"Thats some real afro engineering you got going right there"
A mild-mannered way of saying "ni**er rig." Used mainly when describing an action in which a person has used strange or unusual means to carelessly fix something.
"How do you like my afro engineering?"
"Looks like you just stuffed cotton in the speaker hole and taped it up."