SleighJax Share definition Flag Its the term for a guy who is going to get hit in the face with a piece of metal. ."Im going to SleighJax you". Can be reversed. "Your going to get SleighJaxed!". SleighJax by UglyMonkeyChewbaccabra June 1, 2010 0 0 Get merch Get the SleighJax mug. Buy Now — $32.95 See more merch