shake and bake school
n.— «It was home to Tobias Aerospace, where 1,300 mechanics have been tested—mechanics who work on aircraft flying in Texas. What may have happened here is what some experts call a “shake and bake” school—where improperly-certified mechanics got certificates to do business.» —“Hundreds of aircraft mechanics improperly licensed” by Byron Harris WFAA-TV (Dallas/Fort Worth, Texas) Apr. 24, 2009. (source: Double-Tongued Dictionary)
Further reading
The phrase “no great shakes” means “no great thing” or “insignificant.” The term may have arisen from the idea of shaking dice and then having a disappointing toss. If so, it would fall into a long line of words...
When somebody sneezes, we say bless you or gesundheit. But suppose that person coughs. Are you supposed to say something — or are they? Plus, Mexican standoffs, gracious plenty, linguistic false friends, southpaw vs. northpaw, the slang of rabbit...