that you cannot tell anyone else as they do not "get" it.
Strictly speaking, this is not a bilingual thing but none of my family would understand it, and I need to share it!
DS was eating cereal yesterday and when he had finished he tipped the bowl up and drank up the milk. I was telling DH that it was his fault that DS has terrible table manners and said, "das ist Dein Einfluss".
DS howled, "ich bin kein Fluss!"
What funny things have your children said?