背中スイッチ
せなかスイッチsenakasuitchi
noun
- (imaginary) switch on a baby's back that makes it cry as soon as it is put to bed
- back switch
せなかスイッチsenakasuitchi
noun
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences