Half-Boneski Share definition Flag The act of covering a semi-erection to avoid embarrassment, or seeing someone who is already in the process of erecting. Guy 1: Yo man, check out the Half-Boneski on that guy! Guy 2: Ya man he's looking right at us! Half-Boneski by Juston Case September 10, 2010 0 0 Get merch Get the Half-Boneski mug. Buy Now — $32.95 See more merch