Sperm donner Share definition Flag Noun. Someone who covers you in gentleman's relish. I.e., you don his sperm. Example: Kevin is such a sperm donner. He covered my face when I wasn't expecting it! Sperm donner by Jafloofly March 9, 2018 0 0 Get merch Get the Sperm donner mug. Buy Now — $32.95 See more merch