When a person in real life or in video games fucks up royally and kills himself or get destroyed or even possibly hurt badly. When someone has the the advantage in whatever certain act or action they are either doing or performing and they give it up and then take it in the ass and lose. This is generally known as the FUCK UP.
John, did a gypsie twist off the mountain trail and into a tree last snowboarding season.
by Chrisk November 30, 2004