0 able to move your joints in an unusual way so that, for example, you can bend your fingers or legs backwards as well as forwards
His shoulders were vast, and his lower limbs thick-set, double-jointed, and slightly curved outward, in that formation which takes so much from beauty to give so largely to strength.
Like the submarine crew, they come to be a breed apart—double-jointed, extra-toed, with brazen bowels and no sort of nerves.
The knave is shrewd and playful, but of an incredible strength, being, as ye may observe, double-jointed.
Even double-jointed contortionists cannot do that.
In general, they are considered more severe than double-jointed bits.
The double-jointed elbows and knees enabled the arms and legs to be posed into folded positions.