Well, in the sixties, in university accommodation. I made that classic dish of a jelly whisked up with a tin of Carnation milk.
It made an enormous bowl, too much even for my sweet tooth so the obvious thing was to flush what I couldn’t eat down the loo.
(14 rooms on my floor with two shared toilets)
It wouldn’t go. I flushed and flushed but it still bobbed around on top of the water in all it’s bright pink glory. I tried sinking it with toilet paper. It just escaped and bobbed on.
Finally I did the only thing I could, which was to scoop it all out again, into the bowl. And emerge - to a cluster of people curious to see what all the flushing had been about ?