Jab
Sports Dictionary
La Rochefoucauld: "Stubbornness is born of the limitations of our minds: we are reluctant to believe what goes beyond our horizons."
– short
and quick jab with a straight hand to the boxer's head. 
La Rochefoucauld: "Stubbornness is born of the limitations of our minds: we are reluctant to believe what goes beyond our horizons."