be (as) easy as one-two-three

be (as) easy as one-two-three

To be extremely easy, simple, or intuitive; to require very little skill or effort. (Sometimes used with the numbers spelled out ("one-two-three") or written numerically ("123" or "1-2-3").) After so many years as an accountant, doing taxes is as easy as one-two-three for me. Boy, that test was easy as 1-2-3!
See also: easy
Farlex Dictionary of Idioms.
See also:
  • be (as) easy as rolling off (of) a log
  • be (as) easy as falling off (of) a log
  • be (as) easy as pie
  • be (as) easy as ABC
  • (as) easy as pie
  • easy as pie
  • easy peasy
  • (as) easy as winking
  • as easy as winking
  • (as) easy as apple pie