double-jointed
1. [ adjective ] having unusually flexible joints especially of the limbs or fingers
Related terms: flexible
Similar spelling:   double-chinned
  double-spaced
  double-geared
  double_quotes
  double_knit
  double_chin
  double-crossing
  double_stopping
  double_agent
  double-space
  double-glaze
  double_stitch
  double-spacing