Irish slang, meaning a feen (quite simply Irish slang for ‘man’) who is gammy (meaning disgusting and vile). This phrase is commonly used as an insult in online gaming, towards others who have beat them, or are cheating in some way.
Felix: “Look at that langer over there.”
Thomas: “That? That’s Chris. He’s a right gammy feen!”
by XxHarvzBackxX July 27, 2020
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