A phrase used to describe someone that has a bad mood when he or she comes to work or school on Mondays.

OR

A phrase that someone uses if he or she wants to get their ass kicked by their fellow co-workers or school mates.
Jerk #1 - When you come to work on a Monday, has anyone ever told you, "Looks like someone's got the case of the Mondays."?

Jerk #2 - No... No man... Shit, no man... I believe you get your ass kicked for saying something like that.
by Elmer November 25, 2005
Get the Case of the Mondays mug.
1. A fictitious disorder associated with the tiredness, irritability or distractedness that comes from returning to work after the weekend.

2. A phrase discribing idiots who use the beginning of the week as an excuse to be irritable and lazy when, in fact, everyone feels this way but would rather do their damn job instead of being annoying bitches.
Coworker #1: Man Terry sure is in a bad mood today.
Coworker #2: Yup, looks like he’s got a case of the mondays.
Coworker #1: Man! What a little bitch.
by Not__Mediocre_Definitions June 22, 2018
Get the Case of the Mondays mug.
symptoms of a useless or horrible Monday morning after returning from the weekend, used in the movie Office Space
by alpine January 26, 2004
Get the case of the monday's mug.
when someone comes into work on a monday and they're really pissed off.
"say lawrence when you go into work on a monday and your not feeling too good does anyone ever say to you sounds like a case of the monday's?""no, no man, shit no, i reckon you'd get your ass kicked saying something like that.
by Mick July 10, 2004
Get the Case of the monday's mug.
A commonly felt situation in which oneself is drug out of his natural habitat and pushed into an environment where he must work to feed himself and/or his family. Typically accompanied with feelings of dread, hopelessness, and existential meltdowns.
VA Tech Student: Run, the asian kid has a case of the mondays!
by Phillip J Nordhus May 25, 2008
Get the A case of the Mondays mug.
You're having bad luck/bad day.
Dude my day is going to shit!
It seems like you have a case of mondays
by I_Fcked_Ya_Mums_Pssy October 25, 2015
Get the case of mondays mug.
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.
by Blomjenny November 12, 2007
Get the Sounds like someone has a case of the Mondays mug.