1. Having the qualities of or bearing a wonderful similarity to Miss Snark, a bloggress of astounding skill and wit. Meaning varies depending on context.
"Susan, your stilettos are snarktastic."
"Your blog is so snarktastic, it makes me laugh."
The act of elevating sarcasm to the heightened state of snarky.
Damon's snarktastic comments bit her hard at times and knocked her off the throne as the Queen of Snarkville.