adjectival noun or quasi-adjective

Onomatopoeic or mimetic word.
  1. very hungry, starving, famished.

adverb, takes する

Onomatopoeic or mimetic word.
  1. bowing repeatedly, kowtowing, bowing and scraping, being obsequious, being servile.

adverb, adverb taking the と particle, takes する, adjectival noun or quasi-adjective

Onomatopoeic or mimetic word.
  1. denting, buckling, giving (in).

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
ペコペコ
 
 
 
 
ぺこぺこ