Mordacious

a.

1.

Biting; given to biting; hence, figuratively, sarcastic; severe; scathing.

Adj.	1.	mordacious - capable of wounding; "a barbed compliment"; "a biting aphorism"; "pungent satire" Synonyms: barbed, biting, nipping, pungent
	2.	mordacious - biting or given to biting; "they deliberately gave me a skittish and mordacious mount"

barbed, biting, nipping, pungent, sarcastic