The phrase "heedin a Shan" is commonly used in the north-east of Scotland, the term is basically the chavier way of saying "I'm not bothered" only used by minks/chavs!
Guy1: the buzzies are coming scatter!
Guy2: Shan don't run we never done anything!
Guy1: I'm heedin a shan!
Guy2: Shan don't run we never done anything!
Guy1: I'm heedin a shan!
by The-real deal May 10, 2017