It’s even more confusing: Emojis were invented in Japan, which adds another layer of cultural differences. Holding your hands flat against each other is a common sign for prayer in Christianity, but in Japan it is a commen gesture for giving thanks. Hence the “official” meaning: Thank you

Maybe they mean lupus? I think wolfes were already extinct in the 1600s on the British isles.

That’s why the dwarfs where helping him with his decision.

I think “train autism” means train spotting (the hobby, not the movie). In the hobby, you observe trains and write down their model and/or serial number in a notebook. The goal is to get a full set of trains of a certain kind, or operated by a company. Nowadays the community also posts photos on the internet, but for a long time, they were known as the guys comparing their notebooks with nothing but numbers.