in-joke の英語での意味
in-jokeˈin-joke noun [countable] 
すべての翻訳を見る a joke that is only understood by a particular group of people特定の仲間内でしか通じない冗談
すべての翻訳を見る a joke that is only understood by a particular group of people特定の仲間内でしか通じない冗談 すべての翻訳を見る a joke that is only understood by a particular group of people特定の仲間内でしか通じない冗談