dog bone

noun3

1. •
   a bone that is given to a dog to chew on and play with, similar to a dog biscuit. They can be real bones, or they can be made of other materials like plastic or leather
2. •
   a 2- or 3-dimensional compound shape, evocative of a dog biscuit or dog-bone toy with a central shaft and two lobes (analogous to femoral condyles) at each end

   • "The First Nanochips", Scientific American, April 2004, p. 81. If ... the pattern on the mask were designed to look more like a dog bone, the result would better approximate a rectangle with sharp corners.
3. •
   (slang) the penis

   • Me and D-Money keep smokin' that bomb Need a little game, you better log on Girls get naked Lickin' on my dog bone — 2003