be bursting to do something

be bursting to (do something)

To feel a strong desire or impulse to do something. We were all bursting to tell you about the surprise party—it's a miracle it was still a surprise!
See also: burst
Farlex Dictionary of Idioms.

be bursting to do something

(informal) want to do something so much that you can hardly stop yourself: She was just bursting to tell us the news.
I’m bursting when it is used on its own usually means ‘I really need to go to the toilet’.
See also: burst, something
Farlex Partner Idioms Dictionary
See also:
  • be bursting to (do something)
  • spill the works
  • quelle surprise
  • catch (one) by surprise
  • monkey's uncle, I'll be/am a
  • (as) strong as a horse
  • (as) strong as a lion
  • (well) what do you know
  • snap
  • Snap!