Sarcafacetious 

The act of being a smart ass.

Jake is being sarcafacetious when he says, "Not even God knows what you are thinking and I know a lot!"

Sarcafacetious by Roc-N-Rain March 16, 2010

Sarcacetious 

(adjective) : sar-ka-see-shus

Basically being sarcastic and facetious at once. (Sarcasm without being condescending)

I wish Shane would shut the fuck up with his sarcacetious commentary.

Sarcacetious by Shane McGehee July 22, 2008