- adjective annoyed, resentful. In this sense the word is often used in the phrase ‘to be dirty on (someone)’.
- adjective excellent. A vogue word in club culture since 2000 by analogy with bad, brutal, etc. Filthy is a synonym. ‘It refers to dance music considered so exciting it’s positively rude, as used by DJ Brandon Block’.
- used to describe an unpleasant smell that can occur in a wine, including one caused by a bad barrel or cork, and normally a sign of poor winemaking