Biting the walls
Someone is "biting the walls" if they are at max capacity and brimming with energy and and tension, whether it be joy, stress, hyperactivity, or just general 11/10-iness.
OMG I'm so ready for the weekend, I am about to bite the walls over here.
She got so hyped up, by the end of the game she was biting the walls.
She got so hyped up, by the end of the game she was biting the walls.