The tradition of having a party every monday night in preparation of preparing for Tipsy Tuesday and a common cure for Office Space's "case of the mondays."
by hydrosan March 30, 2010

by bvcheerchick1 April 2, 2011

The mindset of a middle-schooler (or anyone, really) on a Monday (A.K.A. dead inside) Usually is apparent when someone says something stupid on a Monday.
by nagoL52105 January 7, 2019

The monday of a long weekend where a work emergency causes you to work that monday instead having a long weekend.
Awww man, the website is crashed and burned, I'm going to have to work since Memorial day just turned into red monday.
by dqb18 May 21, 2014

When you have to piece together what's happened over the weekend because you were too drunk to remember.
Me: How drunk was I last night?
Friend: So drunk you held up my cat and screamed "SIMBAAAAA"
Me: Man I am sick of playing Monday detective.
Friend: So drunk you held up my cat and screamed "SIMBAAAAA"
Me: Man I am sick of playing Monday detective.
by specialkk47 December 5, 2011

The diarrhea which usually follows a weekend of drinking and poor eating. Often not painful, but rather extremely relieving and requiring of multiple flushes to fully dispose of.
Boss: "Late to work on a Monday again Phil?"
Me: "Sorry but I had a Monday mudslide and my girlfriend threatened to break up with me if didn't clean the bowl afterward."
Culver's drive thru girl: "Hi welcome to Culver's, would you like to try our flavor of the day Monday Mudslide?"
Me: "I already had one this morning so no thanks but I'll take a hot fudge sundae"
Me: "Sorry but I had a Monday mudslide and my girlfriend threatened to break up with me if didn't clean the bowl afterward."
Culver's drive thru girl: "Hi welcome to Culver's, would you like to try our flavor of the day Monday Mudslide?"
Me: "I already had one this morning so no thanks but I'll take a hot fudge sundae"
by Yahoo! Answers Phil J July 18, 2011

A phrase coined Robert Taylor and Jono Pryor from the Rock 90.2fm in New Zealand.
This phrase is used to create a sense of excitement about the much maligned day of the week know as Monday.
This phrase is used to create a sense of excitement about the much maligned day of the week know as Monday.
by Rock listener June 9, 2011
