The operative word here is ORLiterally here:
Slew-footing - Slew-footing is the act of a player using his leg or foot
to knock or kick an opponent’s feet from under him, or pushes an
opponent’s upper body backward with an arm or elbow, and at the
same time with a forward motion of his leg, knocks or kicks the
opponent’s feet from under him, causing him to fall violently to the ice