Move a gig is a term used to describe the job of an oarsman. An oarsman is someone who operates a boat using oars, which are long poles with blades at one end that are used to propel the boat through the water. Oarsmen are often employed in rowing competitions, as well as in recreational activities such as fishing and sightseeing. The term 'move a gig' is derived from the phrase 'gigging, ' which is the act of propelling a boat with oars.