in. to fail; to collapse in price. (A play on to go down the drain. Rinso is a laundry soap that goes down the drain after it is used. Used in the context of the securities markets or other financial setting.) : I knew my bank account would go Rinso after last month's bills came in.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw-Hill Education.
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