In a goggling position or fashion; with (or as though with) the eyes protuberant or staring, especially in expectation, amazement, etc.
Of the eyes: goggling, protuberant, staring, especially with expectation, amazement, etc. Also of a person: having such a demeanour.
Only in predicative use.
Early 16th century (in an earlier sense). From a- + goggle.