背中スイッチ

せなかスイッチsenakasuitchi

noun

  1. (imaginary) switch on a baby's back that makes it cry as soon as it is put to bed
  2. back switch

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences