stumble onto (something)

stumble onto (something)

To discover something casually, accidentally, or by chance. While researching ways of boosting the immune system, the team ended up stumbling onto a remarkable new method of treating cancer. The accountant stumbled onto a huge conspiracy involving politicians from around the world.
See also: stumble
Farlex Dictionary of Idioms.
See also:
  • stumble against (something)
  • happen across (someone or something)
  • stumble across (something)
  • pitch on
  • pitch into
  • slap in
  • test the water
  • test the water(s)
  • test the water/waters
  • mention in passing