1. A pejorative or humorous term for a car or boat

2. (British) the mouth. In this sense the word is typically heard in working-class speech in such phrases as 'shut your bucket!' or 'stick this in your bucket!', recorded in the mid-1990s.

3. (American) an unfortunate person. An item of possibly ersatz slang from the lexicon of the cult 1992 film, Wayne's World. Pail is a synonym.

4. (British) the vagina. A vulgarism used by males and females since around 2000.