Source : Webster's Revised Unabridged Dictionary (1913)

Lurch \Lurch\, v. i. [imp. & p. p. {Lurched}; p. pr. & vb. n.
   {Lurching}.]
   To roll or sway suddenly to one side, as a ship or a drunken
   man.

Source : WordNet®

lurching
     adj : walking unsteadily; "a stqaggering gait" [syn: {stumbling},
           {staggering}, {weaving}]