(noun): A deposit of fecal matter containing large amounts of mucus. Muoop is distinguishable for: foul smell, gooey clean-up and infamous toilet after stick. If Muoop persists consider medical consultation as it may stem from Cystic Fibrosis. Comes from Greek "Pooponium Mucosus"
Charles: Golly gee, I just vandalized that toilet with some Muoop.
Sara: Damn you after stick! I'll get the bleach.
a word of expression to when you give up on comprehending someone's words of ignorance, stupidity, absurdity or are too exhausted to formulate a proper response.
Commonly seen in TikTok comment sections in replies to lazy attempts at humor, overconfidentally incorrect statement, or an over-the-top comment or when someone completely misses the mark on something.