GRIG Meaning of GRIG in English /grig/ , n. North Brit. Dial.1. a cricket or grasshopper. 2. a small or young eel. 3. a lively person. [ 1350-1400; ME grig, grege; orig. uncert. ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012