Noun. A temporary mindset shift from somewhat obsessing about multiple, seemingly important but annoyingissues to the state of not caring at all. After dealing with the same persistent situation over a period of time, the conscious or unconscious decision to not be bothered anymore. Giving up.
After waiting on hold for 40 minutes for a representative while making dinner and trying to get his son to clean his room, John developed a case of the fuck-its, hung up, cracked a beer and sat down to watch some cat videos.
Something said by obnoxiously cheerfull bastards when someone is feeling tired and/or cranky. Mondays tend to be a horrible day since it's the first day of the working week. Made famous by the movie Office Space.
Peter Gibbons: Let me ask you something. When you come in on Monday, and you're not feelin' real well, does anyone ever say to you, "Sounds like someone has a case of the Mondays"?
Lawrence: No. No, man. Shit, no, man. I believe you'd get your ass kicked sayin' something like that, man.
when a person, usually female, is momentarily or otherwise permanently infatuated with and or occupied by a member of the Kaufman family (Arizona chapter). The female is not sure why she is so infatuated with a Kaufman but is and cannot get over her feelings. the virus is very contagious when contact occurs with the original source.
girl1: OMG i have such a case of the Kaufman's!
girl2: i don't event know what you see in him.
girl1: i don't know he's just so charming i keep going back.