over the edge

"We would describe general practice as being on the precipice and, for a significant number of practices, this could push them over the edge," he said.

But in the midst of a divorce, days away from what would have been my 10-year wedding anniversary that will now be just another Saturday, I worried that watching this movie that I had previously seen with such dewy, life-filled eyes during much happier points of my life would send me over the edge now that the grand finale future I'd envisioned for myself felt hopelessly out of reach.

The family made it to safe ground, but their homes disappeared over the edge.

Even if you were close to reaching the threshold where itemizing makes more sense than taking the standard deduction, and now deducting car loan interest could put you over the edge, you won't necessarily get the full benefit.

That can nudge them over the edge.