Get it over the edge

I am just helping to get it over the edge.

Heard in conversation, in the park. London.

A mixed idiom made up from

1. Get it over the line, and
2. On the edge of your seat.

Source of this Mixed Idiom (or Malaphor or Eggcorn)

Overheard in the park, North London, UK, during Lockdown 2020.