タンス貯金
also: たんすちょきん
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Meanings
1
mattress money; cash kept at home
Refers to money saved privately at home, often in a chest of drawers (タンス), rather than deposited in a bank. The term is a play on タンス預金 (tansu yokin), which has the same meaning.
See also: タンス預金
My grandmother doesn't trust banks and keeps her savings at home.
Some people say that stashing cash at home is their hobby.