ramadumb Share definition Flag The side-effects of the month of Ramadan upon practicing Muslims. Symptoms include: lack of concentration and an inability to converse in a coherent manner. Man, you sure are suffering from the ramadumb today. Maybe you should take it easy until dinner. ramadumb by huslage August 18, 2010 0 0 Get merch Get the ramadumb mug. Buy Now — $32.95 See more merch