Wiktionary
vb. (context idiomatic English) To behave in a distressed or frantic manner; to feel very agitated.
Usage examples of "climb the walls".
They can afford to keep throwing fighters at you until the last of them can climb the walls on the bodies piled underneath.
It was one thing to climb the walls and towers of the Hayholt, with their square corners and mason's cracksa tree trunk suspended like a frail twig over nothingness was another story entirely.
Please, would you climb the walls so I can the more clearly meet your eyes?
Of course, know that if you do, you will never discover the way to climb the walls of Gurthang yourself.
Those in the front tried to climb the walls but were met with burning pitch and lances.
The wave of Fomor warriors surged about the fortress, trying at point after point to climb the walls or tear them down.