Utterly failing at a videogame while not taking any advice from anyone else you may be playing with. The term was coined from the Continue Show, one of the most popular gaming YouTube channels since YouTube's inception.
"For the love of god, just listen to me, there is nothing down that pit, you'll die if you jump down there!"
"I'm goin in!"
::Death sound:: "Game over!"
"Man, you're really Paul'n it"