Snippy (adjective)

1. Tending to make sharp, cutting remarks.
2. Short-tempered or irritable.

Origin:

The word "snippy" is thought to be a derivative of the verb "snip" which is of middle english origin, "snippen" which means "to cut sharply" or "to make a sharp retort". .

Examples:

1. He was feeling snippy so he avoided talking to anyone.
2. She was snippy with the customer service representative.
3. The snippy tone of his voice made it clear he was angry.
4. He became snippy when asked about his private life.
5. The snippy remark made everyone uncomfortable.