Uchbucha Share definition Flag To dislike inlaws. Mishbucha is Yiddish for family. Uch is yucky or dislike. uchbucha is a shortened version of ushmishbucha. The uchbucha are coming to dinner tonight. I''m not looking forward to the evening. Uchbucha by Createayiddishword July 7, 2016 0 0 Get merch Get the Uchbucha mug. Buy Now — $32.95 See more merch