Dirty Yentsch Share definition Flag (Yench) During anal sex. To pull your dick out and there's shit on it. I was having gay sex with my boyfriend only to discover that I had a Dirty Yentsch when I pulled out. Dirty Yentsch by Tasha Peeples March 24, 2016 0 0 Get merch Get the Dirty Yentsch mug. Buy Now — $32.95 See more merch