The Collaborative International Dictionary of English v.0.48:

Skew \Skew\, v. i. [imp. & p. p. Skewed; p. pr. & vb. n.
   Skewing.]
   1. To walk obliquely; to go sidling; to lie or move
      obliquely.
      [1913 Webster]

            Child, you must walk straight, without skewing.
                                                  --L'Estrange.
      [1913 Webster]

   2. To start aside; to shy, as a horse. [Prov. Eng.]
      [1913 Webster]

   3. To look obliquely; to squint; hence, to look slightingly
      or suspiciously. --Beau. & Fl.
      [1913 Webster]

WordNet (r) 3.0 (2006):

skewed
    adj 1: having an oblique or slanting direction or position; "the
           picture was skew" [syn: skew, skewed]