I’ve posted this on LinkedIn before, but I couldn’t find it right away.
So a blogpost helps as external memory and should make it easier to find.
If you want to quickly fill a word document with intelligent rubbish. Type =lorem(p,l) P is the number of paragraphs you need, and l the number of lines.
There is more, also random text is possible, but full explanation is here: https://support.microsoft.com/en-us/help/212251/how-to-insert-sample-text-into-a-document-in-word
And it still works in the O365/Office 2016 version…