unflushable

1. not comparableOf a toilet, that cannot be flushed.

   You may have heard an old crank in a big house ranting about appliances and unflushable toilets the other day.

   2020 January 3, Timothy Egan, “The Case for a One-Term Joe”, in The New York Times

2. not comparableOf a product, not designed to be disposed of by flushing down the toilet.

   The Sydney water team are hoping that by showing families the 'unflushable' and 'unsinkable' items, that the environment will be a lot better off.

   2021 December 23, ElizaMcPhee, “Kids' toys, jewellery and a BRICK: The bizarre things Sydneysiders tried to flush down their toilet - wih flushed wet wipes costing $8MILLION a year”, in Daily Mail Australia

3. not comparableOf an item, that remains in the toilet bowl despite flushing.

plural unflushables

1. An item that cannot be flushed.

   Recently, I asked Moffat about the "unflushables" gag -- which leads to one of the funniest jokes in the British show -- and he said flatly, "That was not taken out by me."

   2003 September 7, Adam Sternbergh, “Selling Your Sex Life”, in The New York Times Magazine