agoggle

Goggling: (of a person or face) staring with wide eyes; (of eyes) opened wide to stare.

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

[He] was agoggle with surprise.

Amazed (at something).

a. 1839, William Eaton, “An Essay” cited in James Nack, Earl Rupert, and Other Tales and Poems, New York: George Adlard, 1839, p. 128, such poetry as this / Must set you all a-goggle!

[…] the Crows were agoggle at the results of Jim’s dickering.