Any clothing item worn and taken off after a full day's use, containing B.O., which is thrown into an easily forgettable place, with the intention of wearing it again, but ending up forgotten and soaking in its own B.O.
Eliza: "Sarah, have you seen my new brown sweater? You wore it last week."
Sarah: "Isn't it in your drawer?"
Eliza: "No. It's not in there. Oh, here it is. You threw it under the bed in a B.O. Ball."