The action of doing something completely badass without the knowledge of being able to do so. It can happen if drunk, high, or simply really euphoric or excited.
Dude 1: Holy crap! Oh my god! Holy crap! Oh my god!
Dude 2: (To Dude 3) Jesus Christ! How many pills did he swallow?
(Dude 1 does a backflip)
Dude 3: Shit! He high AF dude, he be swonking!