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2.
A day of the week which is used to pay tribute to the Mons Pubis.
And on this Monsday, we groom the hair of the Mons Pubis and pay tribute to the great mound.
by Tony Hoho May 02, 2011
 
1.
1. The day of the week that falls between Monday, and Wednesday. It is used as a replacement for Tuesday.

2. An excuse for making a stupid mistake.
1. "Oh man! its only Monsday tomorrow!"

2. person 1- "I just gave a customer change for $100 and he only gave me $20.

person 2- "Thats such a Monsday moment!"
by Mike311 December 12, 2006