From Mountain/Dirt Biking. Irregularly shaped rocks about 3 to 6 inches in diameter. Too big to roll over easily like gravel and too large and unstable to balance on. Just smaller and less dangerous than the dreaded baby head.
Dude, I kept my shit together on that stretch of death cookies but I ate shit completely when I hit the baby heads!
by 6079 Smith W March 23, 2005