The unintentional (psycosomatic) movent of one body parts, such as, arms or legs.
The movement of ones body parts , without intenionally wanting them to move.
To really do something "not" on purpose.
"It was purelly Unintentional Psycosomatic Movement"
Owe!! I bit my toungue again!
"Sorry Mom!" "I didn't really mean to do that! It was purely unintentional."
It was an accident. Mom.
I didn't really do it on purpose.