Just like hacking code refers to altering the code of a system to accomplish a goal that differs from the accepted purpose of the system, hacking old includes discovering tips and techniques to accomplish aging after 50 with joy and ease.
Hacking isn’t just for code as evidenced by the work of Tim Ferris, one of the more acclaimed life hackers, and many others who have shared experiments undertaken in their lives and on their body.
The prevailing ideas and advertisements about being old don’t suit my idea of what I want my next 30 plus years to be like.