It's FOSS - https://itsfoss.com/funny-man-pages/
Brief: Who says Linux command line is no fun? When you are in the mood of some naughty, geeky fun, read these witty man page entries.
If you have been using Linux for some time, you might already be familiar with the term man pages. Mostly because you would have been advised by your colleague, friend or a total stranger on a Linux forum to RTFM (read the f***ing manpage).
Long before people start using search engines for each and everything, Linux users relied on the man pages to know how a certain Linux command works. It is still a