Английский словарь американских идиом - go hang

{v. phr.}, {slang} 1. To stop being of interest or importance; be forgotten. - Usually used with "let". * /Mr. Johnson let his business go hang after his wife died./ 2. To leave you alone; not bother. * /When the neighbor told Father how to manage his children, Father told him to go hang./ Compare: TELL WHERE TO GET OFF.