Compounds of ぺたん

• ぺたん
  (adv) (on-mim) sound of something making firm contact with a flat surface
• ぺたんこ
  (adj-na,adj-no) (1) crushed flat
  flattened
  squashed
  flat-topped
  (n) (2) (col) (m-sl) flat-chested girl
  (3) (on-mim) sound of a sticky rice cake sticking to something