https://www.urbandictionary.com/define.php?term=Sheeny+curse The reason why you have to be nice to jews, or they will give it to you. Oh Shit son that greedy-ass jew just gave me the sheeny curse! A curse brought forth by a Jewish man that renders you with financial troubles for anywhere between 1-3 years. (Depending on the severity of the Sheeniness in the Jewish suspect.) the curse a jew will put on you and therefore give you a bad financial year. Usually done by taking off their skullcaps and unleashing the curse within. the curse set upon the jews by god after they killed jesus. solomon was given the sheeny curse when he had his circumcision. This is what little Blonde Haired,Blue eyed Jews put on you when you call him a Jew