Sarchasm [n.] The gulf that separates those who can recognize and appreciate sarcasm and those who cannot.

Vitriolic [a.] Bitterly caustic, scathing.

Usage: His dreams and ambitions corroded by Rockytoppers vitriolic sarcasm, Brettski drained the pond, cut the timber, and is rumored to be living in deer stand just north of Tyler, Texas.