Origin: Felix Baumgartner (Fearless Felix) - sky-diver, 14 October 2012 he sky-dived from 128000ft, reaching 834 mph (Mach 1.24) in the process.
Meaning: To have the balls
to do something completely insane
(and way past anything seen before).
Way past dangerous
(This is most likely something that someone else would never consider or even dream of doing).
Context: To be a Baumgartner