snark = snide + remark. (sarcastic)
Usually used when referring to making fun of something, but in a funny way. One of the most popular sites that uses the term is www.televisionwithoutpity.com, which is dedicated to snarking on television shows. They have a team of writers who recap episodes and inject snarky humor into them. See? It's an adjective, it's a verb....it's SuperSnark!
Danielle