Wiktionary
body english
n. (context idiomatic English) A body motion made to coax an object already propelled go in a desired direction. For example, a nervous leaning or twisting movement while playing sports such as golf or bowling, to "persuade" the ball to go in a desired direction.
WordNet
body English
n. a motion of the body by a player as if to make an object already propelled go in the desired direction