What is "monkeyed"

Usage examples of "monkeyed".

Did I bounce into a different universe, different because I had monkeyed with the setup?

Wills grunted, monkeyed along the lines toward the hatch as if he was going inside.

Barefoot, he monkeyed through the slick rubbery branches until he could see over the side of the battered boat.

This whole matter no doubt sounds like a tempest in a teapot, particularly as Gold did not change the story line but merely monkeyed with dialog, rephrased sentences and such-in short, edited the style.