If that sounds like code for something sneaky, it looks like it was at Lehman Brothers. The firm went bankrupt in September 2008, but in the preceding months there are claims it was presenting its balance sheet in a way that made it look safer than it was.

To do that, Lehman did transactions called Repo 105s that gave the appearance of reducing assets, according to a report released Thursday by Lehman's bankruptcy examiner. The lower assets would have helped reduce the bank's closely watched leverage numbers. The report quotes a Lehman finance staffer saying, "There was no substance to the" repo 105s.