it means talking bullshit in persian (farsi). and is mostly used by the younger teen generation in iran, and is equivalent to a "shut uppp" in english.
goodarz: "bro i swear hannaneh is telling some kos-o-sher to her bestie haniyeh!"
mohsen: "don't worry about it bro she'll come to her senses.
mohsen: "don't worry about it bro she'll come to her senses.
by Ariashahanshah April 7, 2022
Get the Kos-o-shermug. Kill ourselves
Jeremy: well what are we gonna do about it now?
John: we should just kos and leave this piece of shit
John: we should just kos and leave this piece of shit
by Sjdjsjsjks September 2, 2017
Get the Kosmug. Kose o share or kose share or kos-share is a persian slang which literally means pussy and poem but figuratively means bullshit.
People use it mostly when someone exaggerating something
People use it mostly when someone exaggerating something
by Mayar Tahsil kardeye khiabuni August 26, 2021
Get the Kos o sharemug. An Iranian term used to describe a very stupid, dumb, or low intelligent individual in a very disrespectful manner. With Kos meaning the genitalia of a woman, and maghs meaning brain. So basically "cunt brained". It is 99% of times used by men.
by Osama's cousin November 26, 2023
Get the Kos Maghsmug. 
Ko-spirit (noun) a human or ai who takes images of real people without consent and alters them or makes falsified images or documents. whether with malicious intent or otherwise
Whether done maliciously or not, Ko-spirits manipulate visuals to deceive, harass, or violate privacy.
by Jeradel June 29, 2025
Get the Ko-Spiritmug. by Edward the first August 15, 2018
Get the kos mashangmug.