Chai is tea. Wallah, or Walla, is a person who performs a specific task. So chaiwalla is a person who serves tea basically. It's regarded as an insult in the movie Slumdog Millionaire because a person who serves tea is considered to be a low class job.
by Robin105 June 23, 2014
A substitution for the phrase, "That's what she said". Inspired by the movie, Slumdog Millionaire. It can also be randomly used as an interjection within conversation.
by Moriarte December 28, 2010