beat all

beat all

To be beyond the bounds of imagination or belief, as in a surprising, shocking, or amazing occurrence. Well that beats all! I wasn't expecting to have you here for Christmas!
See also: all, beat
Farlex Dictionary of Idioms.

beat all

Surpass anything, especially in a strange or amazing way, as in Adam and his cousin Eve eloped-doesn't that beat all! This phrase appears to have replaced beat the Dutch. It is often used in a negative construction, as in the example. [Slang; first half of 1800s] Also see to beat the band.
See also: all, beat
The American Heritage® Dictionary of Idioms by Christine Ammer.

beat all

To be impressive or amazing. Often used in negative conditional constructions: If that doesn't beat all!
See also: all, beat
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • beat Banaghan
  • beat Banagher
  • don't that (just) beat all
  • If don't that beat all!
  • don't that take the rag off the bush!
  • don't that tear the rag off the bush!
  • don't that beat the Dutch!
  • bonus
  • Bonus!
  • gravy!