This is the 11213th most frequent Russian word.
грязный
Dirty.
The word 'грязный' is used here to describe the state of being dirty, specifically regarding clothing affected by external conditions.
Его одежда была грязной после прогулки под дождем.
His clothes were dirty after walking in the rain.
In this sentence, 'грязный' is used figuratively to mean inappropriate or offensive, specifically referring to the jokes.
В фильме были представлены несколько грязных шуток.
The movie contained several dirty jokes.
In this context, 'грязный' metaphorically indicates corruption or unethical behavior, referring to the political actions.