adjective, gam·mi·er, gam·mi·est. British Informal.
Origin of gammy
Examples from the Web for gammy
But the risks of going to Thailand were well-established prior to the Gammy case.
On Tuesday night, the Thai military raided the IVF clinic where Chanbua was impregnated with Gammy and his twin.
The Farnells were told Gammy was going to die within a day and Chanbua wanted to give him a traditional Thai funeral.
All those words derived from gammy are inserted in the dictionary as from the North country.The Slang Dictionary|John Camden Hotten