Compounds of ぺん

• ぺんぺん
  (n,vs) smack
  spanking
• もっぺん
  (exp) (col) (abbr) once more
  again (abbr. of mou ippen)
• 尻ぺんぺん
  (n,vs) (col) spanking the bottom
  spanking
• お尻ぺんぺん
  (n,vs) spanking (a child)
• てっぺんかけたか
  (adv) (1) (obsc) calling sound of the lesser cuckoo
  (n) (2) lesser cuckoo (Cuculus poliocephalus)