Definition of pop-eye in US English:

pop-eye

noun

  • 1A protruding, bulging, or prominent eye.

  • 2A condition of fish in which the eyes protrude, caused by a variety of diseases and environmental conditions; exophthalmia.

Origin

Early 19th century. From pop- + eye. Compare pop-eyed.

Pronunciation

pop-eye

/ˈpɒpˌʌɪ/