tumble over

tumble over

1. To roll, pitch, or fall in some direction from an upright position. This sign keeps tumbling over in the wind. We'll need to secure it to the ground somehow. John tumbled over after the man knocked into him.
2. To fall down after tripping on someone or something. I kept tumbling over partygoers who had fallen asleep on the living room floor. The waiter tumbled over the suitcase the woman had left beside the table.
3. To go across (the edge or side of) something and plunge or plummet down. Tom lost his footing and tumbled over the edge of the roof. I was scared to death that one of the kids would tumble over the cliff. There wasn't even a guardrail in place!
See also: over, tumble
Farlex Dictionary of Idioms.

tumble over (something)

to fall over the edge of something. Stay away from the edge. I don't want any of you tumbling over it. Don't go too close. You'll tumble over.
See also: over, tumble

tumble over someone or something

to trip or stumble over someone or something and fall down. I tumbled over Fred, who was napping under the tree. I tumbled over a chair and fell down.
See also: over, tumble

tumble over

to fall over. The vase tumbled over and broke. I held Timmy up to keep him from tumbling over.
See also: over, tumble
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • tumble along
  • lose (one's) hold on (someone or something)
  • lose hold on
  • lose one’s hold
  • set (one) on (one's) feet (again)
  • set one on feet
  • tumble down
  • set one back on one's feet
  • set (one) back on (one's) feet
  • stand on