[1] : The Collaborative International Dictionary of English v.0.48

yerk \yerk\, v. t. imp.  p. p. yerked; p. pr.  vb. n.
   yerking. see yerk.
   1913 webster
   1. to throw or thrust with a sudden, smart movement; to kick
      or strike suddenly; to jerk.
      1913 webster

            their wounded steeds . . .
            yerk out their armed heels at their dead masters.
                                                  --shak.
      1913 webster

   2. to strike or lash with a whip. obs. or scot.
      1913 webster
see also:
yerked yerking yerk 

Yerking >> Y Words
Yerking, definition of term: Yerking
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