By the corner of our pants

We made it by the corner of our pants.

Jessica Coutts.

A Mixed Idiom made up from

1. Fly by the seat of one’s pants, and
2. A corner of something, for some reason.

Source of this Mixed Idiom

Said by Jessica Coutts, and sent in by Jonathan Leece, who has been documenting these in his office in Isle of Man for years.