Use 'snippy' to describe brief, impolite responses usually due to irritation or impatience. His snippy reply to the waiter was uncalled for.
Pro Tip 2/3
Tone of Voice
'Snippy' implies a sharp tone of voice, often seen as disrespectful or brash. Her snippy tone made it clear she was annoyed.
Pro Tip 3/3
Social Situations
Being 'snippy' is usually inappropriate in formal situations and can hurt social relationships. He regretted being snippy with his colleagues during the meeting.