Here are some phrases I picked up from my reading:
1. Bribe menu: A list of bribe amounts and corresponding earmarks that Cunningham wrote on his Congressional stationery for co-conspirator Mitchell Wade's benefit over lunch at Georgetown's Daily Grill. It was the most damning piece of evidence introduced at Cunningham's trial.
2. Favor factories: Jack Abramoff's name for the Congressional Appropriations Committees.
3. Lifestyle audit: Investigative reporter Marcus Stearn's phrase for examining congressmen for impropriety by checking for upgrades in their lifestyles (e.g. new homes, expensive trips, luxury goods).