Meaning of こぶくろ in Japanese

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Definition of こぶくろ

こぶくろ(kobukuro) 【小袋】

こぶくろ(kobukuro) · コブクロ(kobukuro) 【子袋】

こぶくろとこむすめ(kobukurotokomusume) 【小袋と小娘】

(exp) small bag and young woman
like a small bag seems to be able to contain few items yet can be stuffed with many, a young woman seems inexpensive to bring up yet can end up costing a lot
a young woman and a small bag are both fragile and great care must be taken with both of them