Monweek 

A week in which every day is as bad as a Monday

Tuesday was so bad, the young man felt a Monweek coming on.

Monweek by Tenth Power December 2, 2014

MAnweek 

General debauchery and drunkenness that comes with a week away at the beach. Must consist of excessive amounts of copulation (with a female) and alcohol intake.

Dude manweek was so hardcore i drank and fornicated all week

MAnweek by jaseyacey June 18, 2009