Hand wave
Sports Dictionary
La Rochefoucauld: "We lack the strength of character to obediently follow all the dictates of reason."
– A wavy movement of the arm or arms, starting with the arm bending towards the body and the wrist lowering, transitioning into extending the arm away from the body with a simultaneous lifting of the wrist. The position of the wrist is indicated as: normal (not specified), wrist free, relaxed wrist, raised wrist.
Related to terms indicating artistic gymnastics exercises
La Rochefoucauld: "We lack the strength of character to obediently follow all the dictates of reason."