Jewmiser Share definition Flag A person who acts overly Jewish, but this kind of person has no fun and won't act out. Jack: "Well I got this and that to do..." John: "Don't be such a Jewmiser!" Jewmiser by Baytheunknown February 24, 2009 0 0 Get merch Get the Jewmiser mug. Buy Now — $32.95 See more merch