'To run a rig' definitions:

Definition of 'To run a rig'

From: GCIDE

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]