snark·y 
(snärkē)
(snärkē)adj. snark·i·er, snark·i·est
Slang
Slang
1. Rudely sarcastic or disrespectful; snide.
2. Irritable or short-tempered; irascible.
[From dialectal snark, to nag, from snark, snork, to snore, snort, from Dutch and Low German snorken, of imitative origin.]
snarki·ly adv.