to "JD Quit" is when you rage so hard, you quit out of the game, screaming and yelling incoherent words. while you uninstall the game, only to reinstall the game 5 mins later while mumbling to yourself "I need to play"
also see: twitch tv/jdlscp
"Man I don't wanna play CIV 5 with Matt, he alway's JD Quits when he isn't in first place at all times."