dog bone

dog bone (plural dog bones)

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, possibly African American Vernacular) the penis
   • 2003, “PimpandHo.com”, in Married to the Game, performed by Too $hort:

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

• bonedog, bongoed