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.
See also: go
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.