over the edge

over the edge

1. Beyond a certain limit, threshold, goal, or quota. I was already thinking about buying the new car, but having a test drive in one pushed me over the edge. Mrs. Patterson's generous donation has put us over the edge to reach our $1 million goal!
2. Into a state of emotional instability. I think all the pressures at work and at home have tipped John over the edge.
See also: edge, over
Farlex Dictionary of Idioms.

over the edge

Fig. excessive; out of control. His performance was over the edge. Too long, too dirty, and too loud!
See also: edge, over
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

over the edge

Insane, as in I think he's gone over the edge. This expression alludes to the edge of sanity. [1920s]
See also: edge, over
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • over the top
  • pushed for cash
  • (one) has to draw a/the line somewhere
  • One has to draw the line somewhere
  • pushed for money
  • reach speeds of
  • reach speeds of (up to) (some amount)
  • go to the limit
  • driven
  • push over