naildicking Share definition Flag The act of painting your fingernails in a color to match your man's penis, especially the tip or head. "For my boyfriend's birthday, I'm getting a naildicking done. I can't wait to surprise him!" naildicking by dabsmoker69 September 30, 2022 0 0 Get merch Get the naildicking mug. Buy Now — $32.95 See more merch