A Swipe

1. (countable) A quick grab, bat, or other motion with the hand or paw; a sweep.
2. (countable) A strong blow given with a sweeping motion, as with a bat or club.
3. (countable, graphical user interface) An act of interacting with a touch screen by drawing the finger rapidly across it.
4. (countable) An act of passing a swipecard through a card reader.
5. (countable, informal) A rough guess; an estimate or swag.
6. (countable, informal) An attack, insult or critical remark.
7. (uncountable) Poor, weak beer or other inferior alcoholic beverage; rotgut. Synonym: swipes