Maybe this is old news, but I just found out if my villagers stand on the side of the bath...they'll do a cannon ball into the water! It's a hoot watching them!!

That's one of my favorite villager actions.

I've seen it. It's even funnier when an elderly person does it. hahahaha
Here is a picture (same person in my avatar)

And if they're still selected, the white circle hold them up as they float on their backs.