be (as) old as the hills

be (as) old as the hills

To be very old. Usually used humorously. Oh, she's old as the hills, she can't hear us. Why don't we ever sing new songs? Those hymns are as old as the hills.
See also: hill, old
Farlex Dictionary of Idioms.
See also:
  • (as) old as the hills
  • old as the hills
  • Adam
  • as old as Adam
  • (as) old as Adam
  • old as Adam
  • make old bones
  • of old
  • old as Methuselah
  • (as) old as Methuselah