take a bath on something
take a bath on (something)
To experience or accumulate a large financial loss on a transaction or investment. A lot of stores started stocking huge numbers of the gimmicky fad toy, but now they're taking a bath on it as public interest evaporates. Millions of the company's shareholders took a bath on their investment when the CEO resigned and its stock began plummeting.
take a bath (on something)
tv. to have large financial losses on an investment. The broker warned me that I might take a bath if I bought this stuff.