Disgustingly impressive. 

This video has been floating aimlessly around the web for quite sometime now, but has recently gone viral. A hidden gem indeed. 

The real action starts around halfway in, but if you could spare 30 seconds or so (which you can, being that you are reading BroBible), take some time to appreciate his stretchy pre-limbo routine. It's Phelpsian. 

[H/T: Reddit]