injoke It's not widely understood It's funny to a small group It may be hard to get It gets laughs from just a few people Humour exclusive to a small group Humor that could be hard to get Gag most people don't get Bit of clique humor Private gag What only a select few might get Something not many people laugh at Bit of humor most people can't get Gag understood only by a small group You might not get it What noobs won't get Some people can't get it