Trivia: During its first month of production in London, Johnny Depp had to take a ten-day leave of absence when his daughter, Lily-Rose, was rushed to a hospital due to a severe illness (which was never disclosed by the media). To accommodate his absence, director Tim Burton filmed scenes that didn't feature Depp's character.
Trivia: Even though they play mother and daughter in this film, Laura Michelle Kelly is only six years older than Jayne Wisener.
Answer: It's a common colloquialism in England, particularly with London and East Midland accents - people often pronounce 'th' as 'v'. It's poor english but very common, and certainly would have been common in the lower classes in London at that time.