It is an obsolete item. You don't have "approximately five metric fucktons" of it because it has been removed from the game altogether or never existed.
Oh, my... that must be the funniest unit of measurement I've ever seen! So, yeah--juju shoo-shoo powder has never existed in game. It's possible that it's something the devs thought about maybe adding but changed their minds (without removing it from the list of items), or it's something that we might get in the future.
At this point, I'm looking for Juju bait... I'd gladly grind up Walloping Big Diamonds for something that'd get me my Juju-dodging badges a little faster!
They lock mine up too. I can jump over them sometimes, but others I just freeze and can't do anything. The other day three of them appeared and that competely locked everything solid.