white knowledge
n.— «I think it’s just a joke; the storming of the winter palace in the Russian Revolution is far more ingrained into people’s “white knowledge.”» —“Re: IT Annotations (spoiler)” by Colm Buckley Usenet: alt.fan.pratchett Feb. 12, 1995. (source: Double-Tongued Dictionary)
Further reading
A Dallas, Texas, woman and her friends often use the expression All the things to mean something like and whatnot or as a way to signal a kind of mutual understanding, suggesting something similar to the phrase you know. This sense probably comes...
There was a time when William Shakespeare was just another little seven-year-old in school. Classes in his day were demanding — and all in Latin. A new book argues that this rigorous curriculum actually nurtured the creativity that later flourished...