go back a long way

go back a long way

To have known someone for a very long time. Oh, Caitlin and I go back a long way—we've been friends since kindergarten, in fact!
See also: back, go, long, way
Farlex Dictionary of Idioms.

go back a long way

mainly BRITISH or

go way back

mainly AMERICAN
If two or more people go back a long way, they have been friends for a very long time. We go back a long way, and she's always kept in touch, always been there for me. This here is Dan Parker. We go way back.
See also: back, go, long, way
Collins COBUILD Idioms Dictionary, 3rd ed.

go back a long ˈway

(of two or more people) have known each other for a long time: John and I go back a long way, don’t we?
See also: back, go, long, way
Farlex Partner Idioms Dictionary
See also:
  • come back and see us
  • back
  • back at (something or some place)
  • back over
  • back over (someone or something)
  • be/go back to square one
  • a while back
  • back door
  • comeback
  • come back