Zmatca Share definition Flag A Romanian word meaning the second grade of cum degradation after it has been in sunlight for a while. It has a certain smell of rotten eggs. "Holy crap, Dude, your room smells like zmatca!" Zmatca by Wart hog June 10, 2013 0 0 Get merch Get the Zmatca mug. Buy Now — $32.95 See more merch