Either it's a beautifully-crafted case of shitposting and trolling, with an IMPRESSIVE amount of research and time, or a handful of mfs totally off their rocker.
Madness string 122577
To have some fun with it, I'd probably then get one of those inflatable costumes and wear that on top. Immature, sure. But there's no way a T-Rex at the dinner table can be considered immodest.