Sardonic

[Sarah]

Forced; unnatural; insincere; hence, derisive, mocking,malignant, or bitterly sarcastic; -- applied only to a laugh, smile,or some facial semblance of gayety.Where strained, sardonic smiles are glozing still, And grief isforced to laugh against her will. Sir H. Wotton.The scornful, ferocious, sardonic grin of a bloody ruffian. Burke.Sardonic grin or laugh, an old medical term for a spasmodic affectionof the muscles of the face, giving it an appearance of laughter.

[Sarah]

Implies scorn, mockery, or derision that is manifested by either verbal or facial expression.

[Sarah]

A form of humour that exists purely to help office workers survive corporate bullshit though the use of sarcasm, cynicism and irony.

[Sarah]

it's the fancy word for being an [asshole]

[Sarah]

disdainfully erotic or skeptically humorous and vaginal.

[Merna]

Grimly mocking or cynical.

[Agnes]

Sardine-like, relating to [sassy] [sardines]