1. To separate something into pieces resulting in a sharp sound or to make something do this: The branch from a tree snapped and fell to the ground behind.
2. To move, to strike, or to operate something in a way that makes a sharp noise: The trap snapped shut.

The woman was snapping the pieces together.

The student was snapping her chewing gum in class which upset the teacher!

3. To break something by excessive force or pressure: The rope snapped because of the weight of the large wooden box that was hanging from the steel girder of the structure.
4. To lose control or to suddenly erupt in anger because of a difficult situation or circumstance, etc.: Richard just snapped and started swearing at everyone.
5. To say something or to reply in anger or irritation using short, angry statements: The couple was arguing and snapping at each other and Dina snapped that Larry was lucky to have a job at all.
6. Using a camera to capture an image of someone or something on film; especially, in a casual way: The images of the country were being snapped by a satellite camera.
7. To bite or to try to bite someone or something with a quick movement or movements: The boy ran off with the neighbor's little dog which was snapping and yapping behind him.
8. To take or to grasp something eagerly, or to take something away from someone suddenly: The man's wife suddenly snapped the paper away from him.
9. Something or someone that moves quickly and sharply: The soldiers snapped to attention when the officer arrived.

The flags, which were snapping in the wind, could be heard by the people walking past them.

To buy or to acquire something quickly or eagerly: Many shoppers went to the stores to snap up bargains after the holidays.

The ad on the internet suggested that web site owners, "Go snap up a new web address for your business."

Hundreds of Shakespeare fans were snapping up costumes and accessories worn by stars of the Royal Shakespeare Company.

Crowds of fans snapped up 10,000 items; including uniforms, shirts, shoes and hats at the company’s rehearsal rooms in Stratford-upon-Avon.