What do n'ni gaeigle stand for in the hollybough diffney quiz?

In the context of the Hollybough Diffney quiz, "n'ni gaeigle" is a playful rearrangement of the phrase "in a goggle." It's part of a game or riddle format that challenges participants to decipher phrases or Words that have been cleverly scrambled or altered. The quiz often involves creative Wordplay, making it both entertaining and thought-provoking.