After careful research...the term "shuckin' and jivin'" did NOT originate in Minstrel shows... [View All]

[Bicoastal]

...apparently it originated in the black community itself.

Nonetheless, it does mean "going through the motions," ie, being lazy on the job. And it's not an expression I've often heard used in reference to somebody who WASN'T black.

So this would probably be the equivalent of using the word "Shylock" in reference to the campaign of a Jewish candidate--not an outright slur, but rather telling...