body English
n.
► Bodily movement in a usually unconscious attempt to influence the movement of a propelled object, such as a ball.
► The usually irregular movement or spin of a propelled object as if it were influenced by this twisting.

[TahlilGaran] American Dictionary ▲

body english
n., informal The wishful attempt to make a ball move in the right direction after it has been hit or let go, by twisting the body in the desired direction.
He tried to help the putt fall by using body English.

[TahlilGaran] English Idioms Dictionary ▲