This is a sling. Bottom right corner is a catapult and uses stored energy (the elastic - sorry if wrong wording.) To me at least the idea of a sling that pivots around the user's hand is much closer to the action of using a planet's gravitational pull to sling a satellite craft onwards.
That's an excellent question, otherwise we'll end up with the whole lone alpha wolf meme nonsense again.
For example, this study talks about 'musth' when male elephants experience increased testosterone - perhaps that's what it's refering to. With a very quick Google search I couldn't find any general ranking of testosterone to body weight in animals.
Male elephants experience a biological phenomenon called “musth”, which is characterized by increased testosterone production, temporal gland secretion and urine dribbling, heightened aggression and sexual behavior, and therefore can pose unique challenges for human safety and animal welfare.
Anyone can swear, but I don't see why we need to have swear words in the news. Just because the biggly orange guy thinks it's appropriate to swear, doesn't mean we need to lower the standard in the press.
And what happened to poor old uncle Billy ...