Where does the term “Jumping Jacks” come from? And no, I’m not speaking of the childrens game. I’m talking about the fond memory from High School when my peers and I jumped up and down waving my arms like a bunch of idiots… 
This is a duplicate topic post, no doubt brought on by the weirdness the board has experencied today. I’ll lock this one, and direct respondants to its twin, located here .