tar and feather

Translations
обмазать дегтем и обвалять в перьях
The mob decided to tar and feather the traitor.
Толпа решила обмазать дегтем и обвалять в перьях предателя.
Definitions
A historical form of public humiliation and punishment where a person is covered in tar and then feathers, often used as a means of social or political protest.