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1.
it is the feeling, especially on Monday morning, when you don't want to get out of the bed or/and want to (go to) work.

more severe case is called mondaymorningitis on both sides.
- What's up, man? How was your weekend?
- The weekend was fine but I got mondaymorningitis.
-Oh, man, me too. On both sides.
by vlaci1983 October 17, 2010