Illustration/Ravi Jadhav

For Punekar Sumedh Natu, who moved to Mumbai four years ago, nostalgia often takes a linguistic route. "You just don't use words like rikam tekdya in Mumbai. It's an out-and-out Pune coinage," says the 25-year-old about the term fit for a person with a lot of free time but no idea of how to put it to use.