The Collaborative International Dictionary of English v.0.48:

Mist \Mist\, v. t. [imp. & p. p. Misted; p. pr. & vb. n.
   Misting.]
   To cloud; to cover with mist; to dim. --Shak.
   [1913 Webster]

The Jargon File (version 4.4.7, 29 Dec 2003):

MiSTing


    [blogosphere] A variant of fisking patterned on the protocol of Mystery
    Science Theater 3000, In a MiSTing, the satire is spoken through characters
    purporting to be the MST3K robots or other suitably bizarre characters,
    such as the Roman emperors Augustus and Caligula.