Lenny Kravitz Disease Share definition Flag Being both Jewish and African American. A dying breed, like gingers. Jeff is so lucky he has Lenny Kravitz Disease! He gets to celebrate Kwanzaa, Christmas, and Hannukah! Lenny Kravitz Disease by pnthrfan327 January 13, 2010 0 0 Get merch Get the Lenny Kravitz Disease mug. Buy Now — $32.95 See more merch