It means being confidently wrong. Like I asked facebook's llama the other day which dog was best, and it said golden retrievers because they are eager to pleas

It means being confidently wrong. Like I asked facebook's llama the other day which dog was best, and it said golden retrievers because they are eager to please and don't shed (which makes them suitable for people with dog allergies). It was quite confident-sounding, but, uh..... no.