boneleavin 

The remains of a chewy bone

Because Chelsea sat on the couch while eatting her treat there is boneleavin on the cushions.

boneleavin by wordmixer January 13, 2011

Boneheading

People who jump in front of, or hang out behind people who are being filmed having a photo taken off.
They often wave to get on television.

"Check out those boneheads on the news"
"Someone is boneheading in this photo"

When news reporters are on the streets, people try to get on camera and "bonehead" by waving to the camera.

Boneheading by mrmooz June 22, 2007