to hell and gone
Far away, forever, as in I don't know where it is—to hell and gone, or I can keep talking to hell and gone but it will do no good. This hyperbolic term dates from the first half of the 1900s.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.