An action taken when an individual becomes so frustrated with a game or task that they seek not only to give up, but to do so in a fashion sufficiently expressing their anger. Though most often used to refer to tabletop or card games (Magic the Gathering, Dungeons and Dragons, etc.), it can be used for any game or job.
See also rage quit
"That move was total bull! You didn't deserve to win, that was all luck!"
"Whoa, no need to flip the table."