2154450 jmdict A [id=2101090] ペンペン;ぺんぺん [1][adv,adv-to,vs][on-mim,chn] with a smack; with a spank [2][adv,adv-to][on-mim] with a plunk (of the sound of a shamisen) [3][n][on-mim,chn] shamisen