ぺこぺこ
ぺこぺこ · pekopeko · JLPT N1 · na-adj
be very hungry
🍚🦌 Mimetic: peko-peko = hollow empty stomach; repeated bowing = fawning.
One word covers an empty, rumbling stomach and bowing over and over. Both are a repeated hollow tapping sound, so the fawning sense comes from the repeated bow.