Simply the most obnoxious blow-up costume the galaxy has ever laid its creepy little eyes on. I think saying anything else would completely underwhelm the multitude of looks you'll get when you show up to grandmas "spooky Sunday bash" looking like pitbull had a baby with the hulk.
Yes, it's a giant baby. Yes, it inflates. Yes, it's 10x creepier than you could ever imagine.