The Collaborative International Dictionary of English v.0.48:

Lurch \Lurch\ (l[^u]rch), v. i. [imp. & p. p. Lurched
   (l[^u]rcht); p. pr. & vb. n. Lurching.]
   To roll or sway suddenly to one side, as a ship or a drunken
   man; to move forward while lurching.
   [1913 Webster +PJC]