uuny Share definition Flag Uuny is when you have cum (or sperm, if you will) on the face. dude one: me and michelle totally smashed it in my room. dude two: man you've got uuny. uuny by haha,yes. June 3, 2010 0 0 Get merch Get the uuny mug. Buy Now — $32.95 See more merch
