To fish or catch with a gig, or fish spear.
To engage in musical performances.
The Stones were gigging around Richmond at the time
To make fun of; to make a joke at someone's expense, often condescending.
His older cousin was just gigging him about being in love with that girl from school.
To impose a demerit for an infraction of a dress or deportment code.
His sergeant gigged him for an unmade bunk.
To engender.