Verb

1. To steal or snatch.

   Hey! Who swiped my lunch?

2. To scan or register by sliding something through a reader.

   He swiped his card at the door.

3. To grab or bat quickly.

   The cat swiped at the shoelace.

Noun

1. A quick grab, bat, or other motion with the hand or paw; A sweep.
2. A strong blow given with a sweeping motion, as with a bat or club.
3. A rough guess; an estimate or swag.

   Take a swipe at the answer, even if you're not sure.

4. Poor, weak beer; small beer.