noun. Approximately a frozen metric truckload of smooth, creamy, treacherous-type activity.
Real citation: "Indeed, the general impression is that even this big figure is but the tip of the corruption-berg that everyone knows sits in the top echelons of the State and Central officialdoms."
("Rotting Through!" http://www.dailyexcelsior.com/web1/03may10/edit.htm)
Made-up citation: "If I had a sliver of real power, the tip of my corruption-berg would be like a Washington Monument of felony, perjury, and sleazery."