jamocca
(noun) A somewhat foolhardy, often poorly dressed white person. It is almost always used by any other race besides caucasian, to describe a caucasian acting foolish, saying something dumb, and in general being stupid.
Dumb white guy: Wut it doo dawg? I hate cargo SHORTS(voice crack)
Cool Black Guy: What'd you say? Shut up jamocca
Cool Black Guy: What'd you say? Shut up jamocca