1 definition by somechic

Top Definition
First day of the work week after excessive partying, resulting in a clouded or confused physiological state of mush brain. Typically there are increased instances of absenteeism or little to no productivity on a Mush Monday
Chris grab me another beer!!! I have already called in sick for work tomorrow. There is really no sense in going. After 48 hours of drinking it would just be another Mush Monday.
by somechic July 27, 2009
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