Cumug Share definition Flag The word given to a very very wet, sticky and smelly hug. "Eww Cumug! that was possibly the most disgusting hug i've ever had, I need to wash this off before it dry's" Cumug by Kimmy mc Timmy June 21, 2009 0 0 Get merch Get the Cumug mug. Buy Now — $32.95 See more merch