What does Alien Hand Syndrome mean?

Alien Hand Syndrome meaning in Urban Dictionary

is struggling to get a grip on ones supply or hands. This will probably be current whenever in connection with system (see Alien Body Syndrome).

Alien Hand Syndrome meaning in Medical Dictionary

the experience that one's hand is possessed by a force outside of people control. The problem usually arises after stress into the mind, after brain surgery or after a stroke or disease for the mind. A person using the alien hand problem can feel feeling in the affected hand but thinks that the hand isn't element of their body and that they do not have control over its movement, so it belongs to an alien.