it means you're getting fucked by them and not in a good way
So anal sex is a not-good way to have sex? Yeah sorry but that does sound pretty homophobic to me.
without lube
Ah, well that changes things. Anal without lube is a pretty universally bad experience, so sure, use that. But just framing being the receiving end of anal as bad without further context, we can do better than that, that's all im saying
I suspect that's deliberate to make someone that speaks English and doesn't know German still get the correct impression of what it actually sounds like, rather than get the spelling right