koshjhar Share definition Flag Koshjhar is a way of being a prick. If people are constantly shouting "koshjhar" around you, it means you're a bit of a cunt and no one likes you. Koshjhar is a gullible twat also. The boys shouted Koshjhar at him. He didn't know what it meant so he urban dictionary searched it koshjhar by Hahaha v2 October 27, 2013 0 0 Get merch Get the koshjhar mug. Buy Now — $32.95 See more merch