MEH!!!! Share definition Flag a muslim war cry which is used by the Amer clan during the early 16th century which was said in a short burst which roughly translated to "random fun" mehmet(a really cool guy):hey amer amer:MEH!!!! mehmet:OMFG RUN FOR YOUR LIFE!!!! MEH!!!! by nommemnom January 12, 2011 0 0 Get merch Get the MEH!!!! mug. Buy Now — $32.95 See more merch