The term jigger may refer to:A traditional Newfoundland unbaited weighted hook, often designed like a small fish, used with a line to catch larger fish by giving a sharp, upward jerk.An ethnic slur for black people; see List of ethnic slurs#JA Handcar, a hand-operated railway carA Jigger (bartending), a measure of alcoholic beverage ingredients, and the tool used to measure them.A jigger flea or chigoe flea, a parasitic arthropod found in tropical climatesA jigger mast or jiggermast, the aftmost… (More on Jigger)