身み内うちネタじ字FuriganaMeanings1nouninside joke; in-jokecolloquial›A joke or story that only a close group of people (family, friends, colleagues) would understand, often referencing shared experiences. Colloquial.彼かれらの会かい話わは身み内うちネタばかりで、私わたしにはさっぱりわからなかった。Their conversation was full of inside jokes, and I couldn't understand it at all.
