Definition of bug-eyes in English:

bug-eyes

noun

US
  • 1The eyes of an insect or other bug. Often in similative use, with reference to their round or bulging appearance.

  • 2Any wide or bulging eyes.

Origin

Early 20th century. Apparently from bug + the plural of eye.

Pronunciation

bug-eyes

/ˈbʌɡʌɪz/