No, this was not mistranslated. The crab people want to fuck me.
No dirtysheer, the meaning behind this is much darker
The Orz are more like the plant people from particularly intense Salvia trips except instead of providing wisdom, they want to rip you out of reality. Or *fingers* of a demon that notice you when you have an OBE. That’s not very funny so I added a dick joke.
New Trash Talk is pretty sick.