> like a small but fast fairly massive ~asteroid mass clump of dark matter explaining poltergeists This is clever, but I have to believe the back of an envelop

> like a small but fast fairly massive ~asteroid mass clump of dark matter explaining poltergeists This is clever, but I have to believe the back of an envelope would show that a dark-matter scale distribution of "dark blobs" big enough to throw things around the room and frequent enough to be given names in human experience would be many, many orders of magnitude higher than the observed gravitational effects.