snarky

adjective2

1. •
   (informal) Snide and sarcastic; usually out of irritation.

   • In spite of its inherent banality, and because my editors let me relieve my dyspepsia by writing snarky captions, it is regularly one of the more popular destinations on the Globe and Mail website. — 2011
2. •
   (no longer used) Irritable, irritated.

   • 'E barks. "I'll do me work meself, yeh 'ear?" An' then 'e gits so snarky that I clear. — 1918