lift the lid off something
lift the lid off (something)
To expose something to the public, often something scandalous or deceptive. That company's stock price plummeted after the media lifted the lid off the CEO's embezzlement scandal.
lift the lid off somethingor
lift the lid on somethingJOURNALISM
If you lift the lid off something or lift the lid on something that has been kept secret, especially something shocking, you do something to make it known. He lifts the lid off Crystal Palace football club with a number of startling revelations. Her book lifted the lid on the royal marriage.