Some people were less than pleased, and the resulting shitfest made the owner close the site within two weeks.
2: Anything deader than dead.
3: The act of taking your toys and going home when things aren't going your way. Also: Individuals reacting in such a manner.
4: Giving up.
5: Someone that doesn't like having fun.
2: "Christ, look at that Danbooru roadkill."
3: "Fuck you guys! I'm out of here!" "Yeah, fuck off, Danbooru-boy!"
4: "Guys, I can't do this. It's too hard." "Come on, don't pull a Danbooru on us now!"
5: "Hey Moe, want to hit the bars with us?" "No, I'm staying in tonight." "Come on, don't be so Danbooru."