My favorite is Quantitative easing, the ability for a National Bank to inject fresh capital into a Country by means of.. erm.. printing more money

Obviously financial people will tell you it is an awful lot more complicated than that, and its a highly technical monetary mechanism, strictly controlled and monitored.
But basically, from what I can see, it's printing more money. The beeb website explains it pretty well, although does draw comparisons:
"Printing money can be defined as the central bank financing of government debts. This is what happened in both 1920s Germany and Zimbabwe and what the British government will insist it is not doing, although the short-term effect is similar."
BBC News - Q&A: Quantitative easing
Today the Bank of England quantitively eased another