Lo fast Share definition Flag Hungarian for "horse dick" or "horse cock". Used constantly by Hungarians at the slightest excuse. Most sentences uttered in Hungarian bars will end with some variant of "lo fast". I am going to the toilet, Lo Fast!Hello, how are you doing? Lo fast! Lo fast by lo faster November 7, 2010 0 0 Get merch Get the Lo fast mug. Buy Now — $32.95 See more merch
