*Common noun, origin in Ancient Egyptian language*
*Plurals: iuyutyu or iuyuts*
Definition, Egyptian: Female dog, lit. "bitch"
Definition, English: A rude, stupid, uncouth person. Usually female; A person prone to verbal outbursts directed at others, probably a narc.
"Don't worry about him/her, s/he is just a iuyut."
"Wow, s/he is being really iuyut-esque today."
"Great, a pack of iuyuts/iuyutyu, try to ignore them."