It's a river dolphin. The water is probably dark with tannins.

https://en.m.wikipedia.org/wiki/River_dolphin

Sure, but it's an article in a British paper and you're referencing an American dictionary. Brits can use it for the nefarious connotation, but they very commonly use it to mean an officially organized plan / program.

https://dictionary.cambridge.org/dictionary/english/scheme

My mom did this when we were growing up. She'd leave a light just outside her bedroom on and we'd turn it off when we got in to let her know were in safe.

Angry Santa

I give you credit for handling this calmly throughout. The lack of perspective on the relative importance of this conversation is, frankly, amazing.

One would think you'd shot the guy's dog.