Only contractable on a Monday working week, this pandemic has been observed worldwide and syptoms usually include : being mentally and physically unfit, a generall fatigue, failure to ' call in ' .
by UsernameAlreadyTaken November 17, 2014

Call it what you want, but "Mondayitis" is a feeling of weariness, sadness, apathy and general distress that many individuals feel when starting the Monday morning work week. This feeling is usually enhanced after a large weekend.
Boss: "good morning, looking a little worse for wear whats wrong?"
Worker: "Got a case of Mondayitis"
Worker: "Got a case of Mondayitis"
by Domin8or December 18, 2007

The seemingly contaigous disease that effects people on Mondays. Symptoms include not showing up for work or even calling in, usually triggered by over celebrating Sunday Funday. Home cures include late night breakfastses, sleeping late and half-hearted pledges of sobriety. Usually lasts until Friday Eve.
by duffball October 22, 2009

when you feel tired and grouchy on a monday because you have had a rough weekend usually with little or no sleep
by -cliche- November 19, 2007

"This Thursday's been full of mondayness."
by BananaPancakes July 04, 2008

by IskiAK December 18, 2008

A feeling many people suffer, especially kids when going back to school. Symptoms can include; upset tummy, pangs of sadness, slight fever, runny nose, and a few others. The cure is to sleep for at least twelve hours and eat cupcakes.
by Stormyheartz.496 May 12, 2016
