Agoggle

his starting eyes / Both wide agoggle, twice their size.

Source: wiktionary

[He] was agoggle with surprise.

Source: wiktionary

I turned, to discover Louise’s face, pressed against the glass, a-goggle with worry and concern.

Source: wiktionary

The boys, still young, not yet enamored of kung fu, would sprawl below the soft brown sofa, legs and hands entangled, eyes agoggle at the screen.

Source: wiktionary