ge ‧ nie /ˈdʒiːni/ BrE AmE noun [countable]
[ Date: 1600-1700 ; Language: French ; Origin: génie , from Arabic jinniy ]
1 . a magical creature in old Arabian stories that will do what you want when you call it
2 . let the genie out of the bottle to do something that has a great and often bad effect on a situation, which can then never return to its previous state