Now, recent theoretical models of blackholes in six dimensions have found that they form something called branes, which, interestingly enough, behave like both a fluid and a solid at the same time. And the really interesting thing is that, while the models are theoretical, they've been found to accurately predict the behaviour of something else called quark-gluon plasma (and I will pretend I know what that is).
So, to recap, custard behaves like a fluid and a solid and so do blackholes. Therefore blackholes are like custard. That's the only conclusion to be drawn from this fascinating new piece of research
DISCLAIMER: Conclusions drawn solely by George Potter. Conclusions may not be based on actual scientific knowledge, common sense or sanity.