blow the lid off something Definition

lid
noun

1. A removable or hinged cover for a pot, box, etc.

Thesaurus: cover, cap, top, roof.
2. An eyelid.

Derivative: lidded
adj

Having a lid.

Derivative: lidless
adj

Idiom: blow the lid off something (take the lid off something, lift the lid off something)

colloq
To expose or reveal something that is scandalous, shocking, etc.

Idiom: flip one's lid

See under flip.

Idiom: put the lid on it

To put an end to something.

To be the last in a series of injustices or misfortunes.
Example: and the flat tyre just put the lid on it

Etymology: Anglo-Saxon hlid covering.