Answer: swiping

AnswerCrossword Clue
SWIPINGCheckout activity, perhaps
SWIPINGTheft
SWIPINGStriking with a long, sweeping blow.
swipingSteal
swipingHit or try to hit with a swinging blow
swipingSWIPE, to strike with a sweeping blow
swipingPass (a card with a magnetic strip) through an electronic device that reads it