adjectival noun or quasi-adjective

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

adverb taking the と particle, adverb, takes する

Onomatopoeic or mimetic word.
  1. fawning, bowing and scraping, being obsequious, being servile, kowtowing, bowing repeatedly, cringing.
  2. giving in, being dented.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
ペコペコ
 
 
 
 
ぺこぺこ