rig \rig\, n. cf. wriggle.
   1. a romp; a wanton; one given to unbecoming conduct. obs.
      --fuller.
      1913 webster

   2. a sportive or unbecoming trick; a frolic.
      1913 webster

   3. a blast of wind. prov. eng. --wright.
      1913 webster

            that uncertain season before the rigs of michaelmas
            were yet well composed.               --burke.
      1913 webster

   to run a rig, to play a trick; to engage in a frolic; to do
      something strange and unbecoming.
      1913 webster

            he little dreamt when he set out
            of running such a rig.                --cowper.
      1913 webster
see also:
wriggle to run a rig