Omnidextrus 

Able to use any hand, any place, any time.

Like ambidextrus, but better.

You see that? I can do that because I am Omnidextrus

Omnidextrus by General Spoon May 4, 2008

Omnidextrous 

Able to use all limbs with equal precision; both hands and both feet.

"Mark says he can give four autographs at once. He must be omnidextrous!"

Omnidextrous by Mr. Trivia July 2, 2008

omnidextrous 

Having omnidexterity; able to control every hand, regardless of owner, with relative ease.

Blue: Are you right-handed, left-handed,or ambidextrous?
Red: I'm omnidextrous
Blue, their hands raising into the air: Ok what how

omnidextrous by Miss Nymphiah June 28, 2021