[wankoin](adj-f) one-coin (i.e. able to be paid for with only one coin, esp. a 500-yen coin, sometimes a 100-yen coin); costing 500 yen; costing 100 yen[Add to Longdo]
[こぶくろとこむすめ, kobukurotokomusume](exp) (1) small bag and young woman; (2) 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; (3) a young woman and a small bag are both fragile and great care must be taken with both of them[Add to Longdo]